Discover
Richard Egan
Dan Street
Patricia Owens
Charlie
John Ericson
Dutch Holland
Michael Ansara
Count Mario Romano
Joan Blackman
Stassa
David Brian
Hogan
Johnny Seven
Spaniard
Khigh Dhiegh
King Chou Lai
Gregory Morton
Dr. Frazer
John Howard
Ernest Bushnell
Michael Dugan
Parkhouse
Eddie Firestone
Dr. Barnes
Olan Soule
Mace (as Olan Soulé)
Linda Kirk
Prissy
Virginia Wood
Receptionist
Robert Riordan
Congressman
King Moody
Patch
Directing
Francis D. Lyon
Director
Sound
John Erlinger
Sound Mixer