Elenco e equipe

Keir Dullea

Devon · 16 ep.

Robin Ward

Garth · 16 ep.

Gay Rowan

Rachel · 16 ep.

William Osler

Mu Lambda 165 (aka: Host Computer) · 16 ep.

James Barron

Garth's Father · 4 ep.

Aileen Seaton

Rachel's Mother · 2 ep.

Walter Koenig

Oro · 2 ep.

Scott Fisher

#4 · 2 ep.

Allen Stewart-Coates

Magnus (voice) · 2 ep.

Ed Ames

Mr. Smith · 1 ep.

Sterling Hayden

Old Jeremiah · 1 ep.

George Sperdakos

Jubal · 1 ep.

Gillie Fenwick

Old Abraham · 1 ep.

Sean Sullivan

Rachel's Father · 1 ep.

Kay Hawtrey

Garth's Mother · 1 ep.

Alexandra Bastedo

Idona · 1 ep.

Stephen Young

Dr. Chris · 1 ep.

Frank Converse

Dr. Gerald W. Aaron · 1 ep.

John Colicos

The Governor · 1 ep.

Barry Morse

Shaliff · 1 ep.

Lloyd Bochner

Col. M.P. Garoway · 1 ep.

David Tyrell

One - Captain · 1 ep.

Susan Stacey

Five · 1 ep.

Simon Oakland

Dr. Asgard · 1 ep.

Percy Rodriguez

Sakharov Richards · 1 ep.

Angel Tompkins

Daphne · 1 ep.

Donnelly Rhodes

Roloff · 1 ep.

Henry Beckman

William · 1 ep.

Edward Andrews

Linus Farthing · 1 ep.

William Hutt

Dr. Pete Marshall · 1 ep.

Antoinette Bower

Dr. Heather Marshall · 1 ep.

Ivor Barry

Chief Rathe Masters · 1 ep.

Doug McGrath

Sergeant · 1 ep.

Vivian Reis

Jane · 1 ep.

Clive Endersby

1st Tube Dweller · 1 ep.

Alan Bleviss

2nd Tube Dweller · 1 ep.

Carol Lazare

Teale · 1 ep.

Diana Barrington

Janice · 1 ep.

Ted Beatie

Old Man · 1 ep.

Lillian Graham

Old Woman · 1 ep.

Gina Dick

Supervisor · 1 ep.

Michael Tough

#2 · 1 ep.

Ricky O'Neill

#6 · 1 ep.

Mark Lynas

#7 · 1 ep.

Trudy Young

Lethe · 1 ep.

Iréna Mayeska

Dr. Diana Tabor · 1 ep.

Tim Whelan

Village Elder · 1 ep.

John Bethune

Villager "A" · 1 ep.

Nerene Virgin

Valerie · 1 ep.

Calvin Butler

Cort · 1 ep.

William Clune

Captain · 1 ep.

Danny Hodgkins

Monster · 1 ep.

Pat Galloway

Trent · 1 ep.

Doris Petrie

Nurse · 1 ep.

Patty Elsasser

Secretary · 1 ep.

Les Rubie

City Man · 1 ep.

Budd Knapp

Dr. Martin Trask · 1 ep.

Meg Hogarth

Dr. Jean Pelletier · 1 ep.

William Kemp

Captain · 1 ep.

Michael Zenon

Commander · 1 ep.

David Mann

Astrogator · 1 ep.

Patricia Collins

Serina · 1 ep.

Leo Leydon

Brant · 1 ep.

Dino Narizzano

Dumal · 1 ep.

Jeff Toner

Jardy · 1 ep.

Patricia Moffatt

Tau Zeta (voice) · 1 ep.

Linda Sorensen

McBride · 1 ep.

Alan McRae

Callisher · 1 ep.

John Friesen

Keeble · 1 ep.

Nuala Fitzgerald

Reena · 1 ep.

Richard Alden

Mike · 1 ep.

Diane Dewey

Technician · 1 ep.