凯尔·杜拉
Keir Dullea
饰：Devon
罗宾沃德
Robin Ward
饰：Garth
Kay Hawtrey
饰：演员 Actor/Actress
Michael Kirby
Michael Kirby
William Hutt
饰：演员 Actor/Actress
Leo Leyden
饰：演员 Actor/Actress
道格·麦克格拉斯
Doug McGrath
William Osler
饰：演员 Actor/Actress
西蒙·奥克兰
Simon Oakland
George Sperdakos
饰：演员 Actor/Actress
梅尔·塔克
Mel Tuck
唐纳利·罗德
Donnelly Rhodes
Percy Rodrigues
饰：演员 Actor/Actress
肖恩·沙利文
Sean Sullivan
沃尔特·凯尼格
Walter Koenig
Antoinette Bower
饰：演员 Actor/Actress
巴瑞·摩司
Barry Morse
洛伊德·波奇纳
Lloyd Bochner
爱德华·安德鲁斯
EdwardAndrews
亚历山德拉·巴斯蒂杜
Alexandra Bastedo
迪诺·纳里扎诺
Dino Narizzano
安格尔·拓普金斯
Angel Tompkins
斯蒂芬·杨
Stephen Young
Ed Ames
饰：演员 Actor/Actress
艾弗·巴里
Ivor Barry
亨利·贝克曼
Henry Beckman
约翰·科里考斯
John Colicos
饰：演员 Actor/Actress
弗兰克·康威
Frank Converse
Pat Collins
Pat Collins
饰：演员 Actor/Actress
斯特林·海登
Sterling Hayden
James Barron
James Barron
饰：Garth's Father,4 episodes, 1973, / ...
Allen Stewart-Coates
饰：Computer Voices,2 episodes, 1973, / ...
Scott Fisher
Scott Fisher
饰：Four - Prosecutor,2 episodes, 1973, / ...
Linda Sorensen
饰：Doctor McBride,1 episode, 1973,
Trudy Young
Trudy Young
饰：Lethe,1 episode, 1973,
Carol Lazare
饰：Navigator Teale,1 episode, 1973,
Pat Galloway
饰：Trent,1 episode, 1973,
Susan Stacey
饰：Five,1 episode, 1973,
Alan McRae
Alan McRae
饰：Ron Callisher,1 episode, 1973,
Dominic Hogan
饰：Priest,1 episode, 1973,
Meg Hogarth
饰：Dr. Jean,1 episode, 1973,
Vivian Reis
Vivian Reis
饰：Jane G. Aaron,1 episode, 1973,
Calvin Butler
Calvin Butler
饰：Cort,1 episode, 1973,
Patricia Moffatt
饰：Tau Zeta,1 episode, 1973,
William Clune
William Clune
饰：Admiral Austin,1 episode, 1973,
John Friesen
John Friesen
饰：Harry Keeble,1 episode, 1973,
Pattie Elsasser
饰：Secretary,1 episode, 1973,
Les Rubie
饰：City Man,1 episode, 1973,
John Bethune
饰：Villager 'A',1 episode, 1973,
Ted Beatie
饰：Old Man,1 episode, 1973,
Ricky O'Neill
饰：Six,1 episode, 1973,
Lillian Graham
Lillian Graham
饰：Old Woman,1 episode, 1973,
Danny Hodgkins
饰：Monster,1 episode, 1973,
George Naklowyck
饰：Deputy,1 episode, 1973,
Gay Rowan
Gay Rowan
饰：Rachel,16 episodes, 1973-1974,
Nerene Virgin
饰：Valerie Richards,1 episode, 1973,
Budd Knapp
Budd Knapp
饰：Dr. Martin,1 episode, 1973,
Nuala Fitzgerald
饰：Reena,1 episode, 1974,
Diana Barrington
饰：Janice,1 episode, 1973,
Gillie Fenwick
Gillie Fenwick
饰：Old Abraham,1 episode, 1973,
Gina Dick
饰：Ten - Supervisor,1 episode, 1973,
Doris Petrie
饰：Nurse,1 episode, 1973,
Iréna Mayeska
Iréna Mayeska
饰：Dr. Diana Tabor,1 episode, 1973,
Richard Alden
饰：Mike,1 episode, 1974,
Philip Stevens
饰：Tau Zeta Operator,1 episode, 1973,
Diane Dewey
Diane Dewey
饰：Tek,1 episode, 1974,
Michael Zenon
Michael Zenon
饰：Commander,1 episode, 1973,
Clive Endersby
Clive Endersby
饰：First Tube Dweller,1 episode, 1973,
Jeff Toner
饰：Jardy,1 episode, 1973,
Peter Langley
Peter Langley
饰：Soldier,1 episode, 1973,
Ardon Bess
饰：Soldier,1 episode, 1973,
David Mann
David Mann
饰：The Astrogator,1 episode, 1973,