MALE: A
B C D E
F G H I J K
L M N O P Q
R S T U V
W X Y Z
FEMALE: A B C D E
F G H I J K L M
N O P Q R S T
U V W X Y Z
| Name | Series | Episode |
| Sabalom Glitz | Dr. Who | Dragonfire |
| Sabin | Star Trek: NG | The Drumhead |
| Sabor | Dr. Who | Planet of the Spiders |
| Saelt-Marae | Star Wars | Return of the Jedi |
| Saesee Tiin | Star Wars | Episode 1: The Phantom Menace |
| Saesee Tiin | Star Wars | Episode III: Revenge of the Sith |
| Saesee Tiin | Star Wars | Episode II: Attack of the Clones |
| Safran | Dr. Who | The Invisible Enemy |
| Sagan | Dr. Who | Warriors' Gate |
| Sai'torr Kal Fa | Star Wars | Episode IV: A New Hope |
| Sakkath | Star Trek: NG | Sarek |
| Salacious B. Crumb | Star Wars | Return of the Jedi |
| Saladin | Dr. Who | The Crusade |
| Salamander | Dr. Who | The Enemy of the World |
| Salamar | Dr. Who | Planet of Evil |
| Salateen | Dr. Who | The Caves of Androzani |
| Salish | Star Trek- OS | The Paradise Syndrome |
| Sam | Dr. Who | Moonbase |
| Sam Rudge | Dr. Who | Mark of the Rani |
| Samor | Blake's 7 | Trial |
| Samuel T. Cogley | Star Trek- OS | Court Martial |
| Samuels | Star Trek: DS9 | The Maquis |
| Samuels | Stargate | various? |
| San Hill | Star Wars | Episode II: Attack of the Clones |
| Sancho Gomez | "V" | 1983 miniseries |
| Sanders | Dr. Who | Kinda |
| Sanders | Star Trek: DS9 | For the Uniform |
| Santos | Star Trek: NG | Preemptive Strike |
| Saowin | Star Trek: Voyager | Think Tank |
| Sapan | Dr. Who | Abomidable Snowman |
| Saphadin | Dr. Who | The Crusade |
| Sar 6 | Star Trek- OS | A Taste of Armageddon |
| Sarek | Star Trek- OS | Journey to Babel |
| Sarek | Star Trek: NG | Sarek, Unification |
| Sarish | Star Trek: DS9 | Crossfire |
| Sarkoff | Blake's 7 | Bounty |
| Satelk, Capt. | Star Trek: NG | The First Duty |
| Satler | Star Trek: NG | Starship Mine |
| Sato, Dr. | Dr. Who | Aliens of London |
| Saul Tigh, Colonel | Battlestar Galactica | New Series |
| Sauvix | Dr. Who | Warriors of the Deep |
| Savar | Dr. Who | The Invasion of Time |
| Savar, Admiral | Star Trek: NG | Conspiracy |
| Saymon | Blake's 7 | The Web |
| Scarlioni, Count | Dr. Who | City of Death |
| Scaroth | Dr. Who | City of Death |
| Schultz | Dr. Who | The Tenth Planet |
| Scibus | Dr. Who | Warriors of the Deep |
| Scobie | Dr. Who | Spearhead from Space |
| Scobie, Flight Engineer | Dr. Who | Time Flight |
| Scorby | Dr. Who | The Seeds of Doom |
| Scorpius | Farscape | various |
| Scott | Dr. Who | The Daleks' Masterplan |
| Scott Kelso, PFC | Battlestar Galactica | Final Cut |
| Scytale | Dune | |
| Seaborne | Battlestar Galactica | Bastille Day |
| Seamus | Star Trek: Voyager | Fair Haven, Spirit Folk |
| Sean | Dr. Who | The Ultimate Warrior |
| Sean Donovan | "V" | 1983 miniseries |
| Sean Donovan | "V" | various |
| Sebastian | Babylon 5 | various |
| Seboca | Star Wars | Episode II: Attack of the Clones |
| Sebulba | Star Wars | Episode 1: The Phantom Menace |
| Secker | Dr. Who | Nightmare of Eden |
| Seek | Star Wars | Episode 1: The Phantom Menace |
| Seely | Dr. Who | Spearhead from Space |
| Sekou Hamilton | Battlestar Galactica | various |
| Selby | Red Dwarf | Back in the Red |
| Selim Wormrider | Dune | |
| Selin Peers | Star Trek: DS9 | Dax |
| Selma | Blake's 7 | Horizon |
| Selman | Blake's 7 | The Way Back, Cygnus Alpha |
| Selris | Dr. Who | The Krotons |
| Selson | Blake's 7 | Countdown |
| Seltin | Star Trek: DS9 | Meridian |
| Selto Durka | Farscape | various |
| Senator Ask Aak | Star Wars | Episode III: Revenge of the Sith |
| Senex | Dr. Who | The Dominators |
| Senni Tonnika | Star Wars | Episode IV: A New Hope |
| Senta | Dr. Who | The Savages |
| Sergey | Star Trek: NG | Family |
| Seron | Dr. Who | The Keeper of Traken |
| Setal | Star Trek: NG | The Defector |
| Seth | Dr. Who | Horns of the Nimon |
| Seurat | Dune | |
| Sevcheria | Dr. Who | Romans |
| Sevrin | Dr. Who | Genesis of the Daleks |
| Sevrin, Dr. | Star Trek- OS | The Way to Eden |
| Seyetik | Star Trek: DS9 | Second Sight |
| Sezom | Dr. Who | Horns of the Nimon |
| Sezon | Dr. Who | Timelash |
| Shad | Blake's 7 | The Harvest of Kairos |
| Shaddam Corrino IV | Dune | |
| Shadow, The | Dr. Who | The Armageddon Factor |
| Shaka | Dune | |
| Shakaar | Star Trek: DS9 | various |
| Shakiri | Babylon 5 | Moments of Transition |
| Shann Childsen. Lt. | Star Wars | Episode IV: A New Hope |
| Shapp | Dr. Who | The Armageddon Factor |
| Sharat | Star Trek: DS9 | Armageddon Game |
| Sharaz Jek | Dr. Who | The Caves of Androzani |
| Shardovan | Dr. Who | Castrovalva |
| Sharrel, Commander | Dr. Who | Destiny of the Daleks |
| Shav | Dr. Who | The Tenth Planet |
| Sheard | Dr. Who | Time Flight |
| Shears | Dr. Who | Invasion of the Dinosaurs |
| Sheckil, Lt. | Star Wars | The Empire Strikes Back |
| Shelby, Lt. Cmdr. | Star Trek: NG | The Best of Both Worlds |
| Sheliak | Star Trek: NG | The Ensigns Of Command |
| Shel-la | Star Trek: DS9 | Battle Lines |
| Shepard | Star Trek: DS9 | Valiant |
| Sheprah | Dr. Who | Revenge of the Cybermen |
| Sherm | Blake's 7 | The City at the Edge of the World |
| Shipley, Lt. | Star Trek: NG | Relics |
| Shishakli | Dune | |
| Shoab | Dune | |
| Shockeye | Dr. Who | The Two Doctors |
| Sholakh | Dr. Who | Ribos Operation |
| Shon | Babylon 5 | Believers |
| Short | Dr. Who | Robot |
| Shrek | Star Trek: NG | Birthright |
| Shrinker | Blake's 7 | Rumours of Death |
| Shu Mai | Star Wars | Episode II: Attack of the Clones |
| Shura | Dr. Who | Day of the Daleks |
| Sigurd | Dr. Who | Terminus |
| Sil | Dr. Who | Mindwarp, Vengeance on Varos |
| Silaran | Star Trek: DS9 | The Darkness and the Light |
| Silas P | Dr. Who | The Happiness Patrol |
| Siler | Stargate | various? |
| Silvey | Dr. Who | The Invisible Enemy |
| Simon | Babylon 5 | The Lost Tales : Voices in the Dark |
| Simon | Dr. Who | The Massacre of St. Bartholemew's Eve |
| Simon Tam, Dr. | Firefly | various |
| Simon Tarses | Star Trek: NG | The Drumhead |
| Simon van Gelder, Dr. | Star Trek- OS | Dagger of the Mind |
| Sin, Mr | Dr. Who | The Talons of Weng Chiang |
| Singh | Star Trek: NG | Lonely Among Us |
| Singh, Mr. | Star Trek- OS | The Changeling |
| Sio Bibble | Star Wars | various |
| Sir George Hutchinson | Dr. Who | Awakening |
| Sir Guy | Star Trek: NG | Qpid |
| Sir Warwick Harrow | Firefly | Shindig |
| Sirna Kolrami | Star Trek: NG | Peak Performance |
| Sita | Dr. Who | The Space Museum |
| Skagra | Dr. Who | Shada |
| Skart | Dr. Who | Power of Kroll |
| Skinsale, Colonel | Dr. Who | Horror of Fang Rock |
| Skoran | Star Trek: NG | Thine Own Self |
| Skunk | Firefly | The Message |
| Slaar | Dr. Who | The Seeds of Death |
| Slade Bender | Star Trek: NG | Manhunt |
| Sline | Dr. Who | The Curse of the Daleks |
| Sloan | Star Trek: DS9 | various |
| Slocum | Dr. Who | Inferno |
| Slyther | Dr. Who | The Dalek Invasion of Earth |
| Smedley | Dr. Who | The Sea Devils |
| Smithers | Dr. Who | Planet of Giants |
| Smythe, General | Dr. Who | The War Games |
| Sobi | Star Trek: NG | Symbiosis |
| Socinus | Battlestar Galactica | various |
| Solbor | Star Trek: DS9 | various |
| Soldeed | Dr. Who | Horns of the Nimon |
| Sole | Dr. Who | The Face of Evil |
| Solis | Dr. Who | The Deadly Assassin |
| Solis, Lt. | Star Trek: NG | The Arsenal of Freedom |
| Solok | Star Trek: DS9 | Take Me Out to the Holosuite |
| Solok | Star Trek: NG | Chain of Command |
| Solomahal | Star Wars | Episode IV: A New Hope |
| Solon | Dr. Who | The Brain of Morbius |
| Songsten | Dr. Who | Abomidable Snowman |
| Sonheim | Blake's 7 | Mission to Destiny |
| Sonny | Star Trek: NG | The Neutral Zone |
| Sonny | Dr. Who | Father's Day |
| Sontaran | Dr. Who | The Invasion of Time |
| Sorad, Vedek | Star Trek: DS9 | Sanctuary |
| Sorak | Dr. Who | Horns of the Nimon |
| Sorba | Dr. Who | The Space Pirates |
| Sorenson | Dr. Who | Planet of Evil |
| Sorin | Dr. Who | The Curse of Fenric |
| Sorm | Star Trek: DS9 | A Simple Investigation |
| Sovak | Star Trek: NG | Captain's Holiday |
| Spandrell, Castellan | Dr. Who | The Deadly Assassin |
| Spencer | Dr. Who | The Faceless Ones, War Games, Silurians |
| Spencer Chartwell | Space: Above and Beyond | various |
| Spock | Star Trek- OS | |
| Spragg | Babylon 5 | War Without End |
| Squire | Dr. Who | The Silurians |
| Ssestar | Star Trek: NG | Lonely Among Us |
| Sskel | Dr. Who | The Monster of Peladon |
| Ssorg | Dr. Who | The Curse of Peladon |
| Stackhouse | Stargate | Rising |
| Stael | Dr. Who | Image of the Fendahl |
| Stahlman | Dr. Who | Inferno |
| Staleek, Emperor | Farscape | various |
| Stanley Bernstein | "V" | 1983 miniseries |
| Stapley, Captain | Dr. Who | Time Flight |
| Starbuck, Lt. | Battlestar Galactica | Original Series |
| Stark | Firefly | Safe |
| Stark | Farscape | various |
| Steinberger, P.Green | Dr. Who | The Daleks' Masterplan |
| Stephan | Star Trek: DS9 | Paradise |
| Stephen Franklin | Babylon 5 | various |
| Stephen Petrov | Babylon 5 | Chrysalis |
| Steth | Star Trek: Voyager | Vis-à-vis |
| Steve Roller | "V" | various |
| Steven | "V" | 1983 miniseries |
| Steven Caldwell | Stargate | The Siege, Part 3 |
| Steven Miller | Star Trek: NG | Haven |
| Steven Taylor | Dr. Who | various |
| Stevens | Dr. Who | The Green Death |
| Stevens | Star Trek: DS9 | Starship Down |
| Stevens | Stargate | Conversion |
| Stevenson | Dr. Who | Revenge of the Cybermen |
| Stewart | Dr. Who | Frontier in Space |
| Stewart Jaffee, Pvt. | Battlestar Galactica | A Day in the Life |
| Stien | Dr. Who | Resurrection of the Daleks |
| Stike | Dr. Who | The Two Doctors |
| Stilgar | Dune | |
| Stilgar | Dune | |
| Stimson | Dr. Who | The Happiness Patrol |
| Stitch Hessian | Firefly | Jaynestown |
| Stone, Commodore | Star Trek- OS | Court Martial |
| Stonn | Star Trek- OS | Amok Time |
| Stor | Dr. Who | The Invasion of Time |
| Storr | Dr. Who | Ice Warriors |
| Stott | Blake's 7 | Star One |
| Stott | Dr. Who | Nightmare of Eden |
| Stotz | Dr. Who | The Caves of Androzani |
| Stratton | Dr. Who | Attack of the Cybermen |
| Strickler, Admiral | Star Trek: Voyager | Non Sequitur |
| Striker | Dr. Who | Enlightenment |
| Strood | Dr. Who | Bad Wolf |
| Stuart | Dr. Who | Survival |
| Stuart Hyde | Dr. Who | The Time Monster |
| Styggron | Dr. Who | The Android invasion |
| Styre | Dr. Who | The Sontaran Experiment |
| Suder | Star Trek: Voyager | Meld, Basics |
| Sulan | Star Trek: Voyager | Faces |
| Summers | Dr. Who | The Sea Devils |
| Summers, Dr. | Dr. Who | The Mind of Evil |
| Sunad | Star Trek: NG | Transfigurations |
| Super Mute | Dr. Who | The Armageddon Factor |
| Surmak Ren | Star Trek: DS9 | Babel |
| Sutekh | Dr. Who | Pyramids of Mars |
| Sutok | Star Trek: Voyager | Fair Trade |
| SV7 | Dr. Who | The Robots of Death |
| Sven | Dr. Who | The Time Meddler |
| Swann | Dr. Who | The Enemy of the World |
| Sweetsin, Lord | Star Wars | Episode 1: The Phantom Menace |
| Swinn | Star Trek: Voyager | Tuvix |
| Sylvest | Dr. Who | The Twin Dilemma |
| Synge | Dr. Who | The Sun Makers |
| Synon | Star Trek: DS9 | Once More Into the Breach |
| Syvar | Star Trek: DS9 | Shakaar |