Alexander Davion
— Dr. Crawford
David Hemmings
— Roger Westcott
Charles Tingwell
— Captain Jaffe
Peter Fraser
— Donnie Chaffer
Tony Wager
— Jensen
Keith Buckley
— Scotty McIntyre
David Savile
— Gerry
Geoffrey Kenion
— Dave
Barry Ashton
— Frank
David Munro
— Ken
Hedger Wallace
— Commander
Lew Luton
— Officer
Derek Martin
— Guard