Delbert Mann Director, Producer George Maharis Peter Santelli Actor Robert Morse Oliver Cromwell Cannon Actor Anjanette Comer Tiara Marshall Actor James Gregory Vice Admiral Actor Michael Constantine Mikhail Drozhensky Actor Howard St. John Harvey T. Sweigert Actor Norman Fell George Snell Actor Janine Gray Diana Grenville-Wells Actor Bernard Fox Leslie Folliott Actor Richard LePore Ben Livingston Actor Yvonne Craig Sharon Sweigert Actor Hal Baylor Prison Guard Actor Doodles Weaver Ham Operator Actor Douglas Laurence Producer Dale Wasserman Screenwriter Russell Harlan Cinematographer Fredric Steinkamp Film Editing David Rose Original Music E. Preston Ames Art Director George W. Davis Art Director Henry Grace Set Decoration Hugh Hunt Set Decoration