On screen
Cast
20 credited performers
Stuart Whitman
Dr. McCarter Purvis
Sandy Dennis
Dr. Enid Bingham
Burl Ives
T.M. Trask
Artwork unavailable
Tom Harvey
McBride
Artwork unavailable
Robert Goodier
Dr. Wilfrid Morton
Artwork unavailable
Ron Hartmann
Dr. John Emmett
Artwork unavailable
Jack Creley
Dr. George Simmons
Artwork unavailable
Allen Doremus
Dr. Carl Bryant
Artwork unavailable
Kenneth James
Clinton
Artwork unavailable
Joseph Shaw
Dr. Franz Heinemann
Artwork unavailable
Clem Hambourg
Pianist
Artwork unavailable
Harvey Fisher
Copter Pilot
Artwork unavailable
Robert Warner
Guard #1
John S. Davies
Doctor
Artwork unavailable
V.K. Saini
V.K. Saini
Artwork unavailable
George Pyfrom
Surgeon #2
Artwork unavailable
Claudia Koropecki
Surgeon #3
Nina Keogh
Trask's Nurse (uncredited)
Artwork unavailable
Robert Mann
Guard #3
Artwork unavailable
James Forrest
Guard #4