Gene Hackman

Reverend Scott

Ernest Borgnine

Mike Rogo

Red Buttons

James Martin

Carol Lynley

Nonnie Parry

Roddy McDowall

Acres

Stella Stevens

Linda Rogo

Shelley Winters

Belle Rosen

Jack Albertson

Manny Rosen

Leslie Nielsen

Captain Harrison

Pamela Sue Martin

Susan Shelby

Eric Shea

Robin Shelby

Fred Sadoff

Mr. Linarcos

Arthur O'Connell

John, the Chaplain

Sheila Allen

Nurse

Jan Arvan

Doctor

Byron Webster

Purser

John Crawford

Chief Engineer

Bob Hastings

M. C.

Erik L. Nelson

Mr. Tinkham

Charles Bateman

First Officer Larsen

Maurice Marsac

French Naval Officer

Ernie F. Orsatti

Terry

Marco López

Passenger (uncredited)