Richard Todd
Dr. Bob McLaurin
Acting
Betsy Drake
Dr. Nancy Ferguson
Acting
Herbert Lom
Juan Menda
Acting
Warren Stevens
Finch
Acting
Carlo Giustini
Francisco Flores (as Carlo Justini)
Acting
Paul Carpenter
O'Brien
Acting
Alexander Knox
Dr. McNeil
Acting
Lisa Gastoni
Carla Menda
Acting
Peter Arne
Kral
Acting
John Crawford
Boyd
Acting
Catherine Boyle
Catherine McLaurin
Acting