Richard Todd

Dr. Bob McLaurin

Betsy Drake

Dr. Nancy Ferguson

Herbert Lom

Juan Menda

Warren Stevens

Finch

Carlo Giustini

Francisco Flores (as Carlo Justini)

Paul Carpenter

O'Brien

Alexander Knox

Dr. McNeil

Lisa Gastoni

Carla Menda

Peter Arne

Kral

John Crawford

Boyd

Catherine Boyle

Catherine McLaurin

Jack Cardiff