Blindfold

Rock Hudson

Dr. Bartholomew Snow

Claudia Cardinale

Vicky Vicenti

Jack Warden

General George Pratt

Guy Stockwell

James Fitzpatrick

Anne Seymour

Miss Smith ("Smitty")

Alejandro Rey

Arthur Vincenti

Brad Dexter

Harrigan

Vito Scotti

Michelangelo Vincenti

Ted Knight

Dr. Bob Berford

Angela Clarke

Lavinia Vincenti

John Megna

Mario Vincenti

Ned Glass

Lippy

Hari Rhodes

Davis

Mort Mills

Henchman

Jack De Mave

Henchman

Chuck Roberson

Fitzpatrick's Henchman

Paul Comi

Barker

Morgan Jones

FBI Agent Mr. Nelson