On screen
Cast
14 credited performers
Bill Williams
Capt. Mead Ralston
Norma West
Jan Ralston
John Cairney
Dr. Steven Thomas
Artwork unavailable
Jeremy Longhurst
John Saunders
Kathleen Breck
Kate Saunders
Donald Churchill
Carl Walcott
Artwork unavailable
Margo McLennan
Joyce Wolcott
Linda Marlowe
Dr. Helen Thomas
Artwork unavailable
Tony Doonan
Dr. Griffith
Mark Lester
Don Wolcott
Artwork unavailable
Stewart Middleton
Michael Thomas
Artwork unavailable
Anthony Honour
Robert
Artwork unavailable
Max Kirby
Ho-Ho the Hologram
Artwork unavailable
John Lee
Dr. Garth