Gene Hackman

Reverend Scott

Ernest Borgnine

Mike Rogo

Stella Stevens

Linda Rogo

Shelley Winters

Belle Rosen

Jack Albertson

Manny Rosen

Red Buttons

James Martin

Roddy McDowall

Acres

Carol Lynley

Nonnie Parry

Pamela Sue Martin

Susan Shelby

Eric Shea

Robin Shelby

Arthur O'Connell

John, the Chaplain

Leslie Nielsen

Captain Harrison

Fred Sadoff

Mr. Linarcos

Sheila Allen

Nurse

Jan Arvan

Doctor

Byron Webster

Purser

John Crawford

Chief Engineer

Bob Hastings

M. C.

Ernie F. Orsatti

Terry

Erik L. Nelson

Mr. Tinkham

Charles Bateman

First Officer Larsen

Maurice Marsac

French Naval Officer

Roseann Williams

Woman

Ruth Foster

Passenger

Paul Stader

Martin

Marco López

Passenger (uncredited)