Cast
Operative KateYasko 
Dr. Ben VincentCreature 
Main Mission OperativeDr. Ed Spencer 
Petrov
Alien Voice
SphereInformation Girl 
Alien InvisibleDiana Morris 
Jack BartlettJackson 
Joe Ehrlich
2nd Security GuardLouisa 
Ken Burdett
Professor HunterSandstrom Henry 
Peter RockwellMain Mission Operative 
Guard
Cousteau
Mike Ryan
Capt. Jack Tanner
Jim Haines
Commissioner Dixon
Melita KellyA 
Alien Transporter
Carolyn Powell
Humanoid
Jerry Travis
Greg SandersonInterrogator 
Eddie Collins
Mark Sanders
Annette FraserLyra Female Operative Brian 
Winters
Controller
Spearman
Commander GorskiJohnson 
TheiaGuardian's Brother 
Ted CliffordMirella Mr. Potter 
1st Security GuardGeorge Crato 
Jelto
Cernik
Smitty
Benjamin OumaStal Guard 
Security GuardTalos Carl Renton 
Slatternly WomanBeautiful Girl 
VoiceKinano 
Clea
Bill Lowry
Collins
Dr. Monique BouchereFreda 
AarchonWayland 
First GirlPeter Garforth 
CarsonCo-Pilot 
Old LadyAndrews Refuel Eagle Pilot Guard Blake Maine 
Ed Malcolm1st Dorcon Operative 
Jane
Hadin
Dr. Darwin KingSteve Abrams 
Ray Torens
1st Operative TexasSally Martin 1st Alphan Woman Grasshopper 
1st Dorcon SoldierLes Johnson 
Professor Juliet MackieMale Mute 
TessaThe Old Crone 
Joe Lustig1st Security Guard Command Center Alphan Female Mute Sam Female Medical Officer Outdoor Alphan Main Mission Operative, not listed in credits Tanya Aleksandr Security Guard, not listed in credits Main Mission Operative, not listed in credits Operative Main Mission Operative Main Mission Operative, not listed in credits Peter Reeves, not listed in credits Operative Security Guard Command Center Operative Security Guard 
Computer Voice
MedicMain Mission Operative, not listed in credits Main Mission Operative, not listed in credits Medic Les Johnston 
Operative June, not listed in creditsаKen Johnson 
Security Guard
Main Mission Operative
Main Mission Operative
Technician, not listed in creditsMain Mission Operative Nurse, not listed in creditsа Main Mission Operative 
Medic
Security Guard
Clan GuardSpace Animal Main Mission Operative Eagle Pilot Main Mission Operative Main Mission Operative 
Main Mission OperativeMain Technician, not listed in creditsа Main Mission Operative, not listed in creditsа Alien Girl Technician 
ClansmanTechnician, not listed in creditsа Alphan Nurse, not listed in creditsа 
Main Mission Operative, not listed in creditsAlphan in corridor #2 
Dorcon SoldierTechnician, not listed in credits Main Mission Operative, not listed in credits Thulian, not listed in creditsа 
Hilary Preston, not listed in creditsа
Revered One, not listed in creditsаAggressive Main Mission Operative, not listed in credits Stewardess, not listed in creditsа Thulian, not listed in creditsа Main Mission Operative, not listed in creditsа Revered One, not listed in credits 
Ted, not listed in credits
GTV Newscaster, not listed in creditsMedic, not listed in credits Voice of Davis, not listed in credits 
Security Guard, not listed in credits
Alpha News Service Girl, not listed in creditsа
Kaldorian, not listed in creditsаThulian, not listed in creditsа 
Eagle Pilot, not listed in credits
Survivor, not listed in creditsаNurse, not listed in creditsа Medic, not listed in credits Revered One, not listed in creditsа 
Joan Conway, not listed in creditsа
Thule Girl, not listed in creditsаNurse, not listed in creditsа Morrow's Daughter, not listed in creditsа Sandos, not listed in credits Thulian, not listed in credits Bannion, not listed in credits Kaldorian, not listed in creditsа Revered One, not listed in credits Eagle One Co-Pilot, not listed in credits Morrow's Son, not listed in credits 
Revered One, not listed in creditsRevered One, not listed in creditsа Thulian, not listed in credits Newscaster, not listed in credits Security Guard, not listed in credits Thulian, not listed in creditsа Survivor, not listed in credits 
Nurse, not listed in creditsаMain Mission Operative, not listed in creditsа 
Main Mission Operative, not listed in creditsаTechnician, not listed in credits 
Vegan, not listed in creditsSecurity Guard, not listed in credits Alphan Girl, not listed in creditsа Number, not listed in credits Vegan, not listed in creditsа Clansman, not listed in credits 
Overseer, not listed in creditsOperative, not listed in credits Patient, not listed in creditsа Main Mission Operative, not listed in creditsа Alien in cave, not listed in credits Female Botanist, not listed in creditsа 
Running Technician, not listed in creditsVegan, not listed in creditsа 
Security Guard, not listed in creditsMain Mission Operative, not listed in creditsа Decontamination Operative, not listed in credits Gorilla, not listed in credits Alien in cave, not listed in credits 
Technician, not listed in credits
Barbara, not listed in creditsаAlphan, not listed in creditsа Short alien in cave, not listed in credits Male Botanist, not listed in credits 
Spirit Mateo, not listed in creditsGuard, not listed in credits Nurse, not listed in creditsа 
Second Mining Engineer, not listed in credits
Clansman, not listed in creditsVegan, not listed in credits Technician, not listed in credits Technician, not listed in credits 
Tall Alien in Cave, not listed in creditsMusician, not listed in credits Main Mission Operative, not listed in credits Nurse, not listed in creditsа Security Guard, not listed in credits Ape Man, not listed in credits Alphan, not listed in credits Phirly, not listed in credits Security Guard, not listed in credits Guard, not listed in creditsа Guard, not listed in creditsа 
Girl in Picture, not listed in creditsа
Alien Computer, not listed in credits
Guard, not listed in creditsа
Dorcon Soldier, not listed in credits
Guard, not listed in creditsа
