Cary Grant

Walter Christopher Eckland

Leslie Caron

Catherine Freneau

Trevor Howard

Commander Frank Houghton

Jack Good

Lieutenant Stebbings

Sharyl Locke

Jenny

Pip Sparke

Anne

Verina Greenlaw

Christine

Stephanie Berrington

Elizabeth Anderson

Jennifer Berrington

Harriet MacGregor

Laurelle Felsette

Angelique

Nicole Felsette

Dominique

Alex Finlayson

Doctor Bigrave

Peter Forster

Chaplain

Frank Marocco

Accordionist

John Napier

Lt. Cartwright

Simon Scott

Captain of Submarine, USS Sailfin

Don Spruance

Navigator

Ken Swofford

Helmsman, Submarine USS Sailfin

Richard Lupino

Radioman

Ralph Nelson

Director

Robert Arthur

Producer

Cy Coleman

Original Music Composer

Henry Bumstead

Art Direction

Charles Lang

Director of Photography

John McCarthy Jr.

Set Decoration

Ray Aghayan

Costume Design

Ted J. Kent

Editor

Alexander Golitzen

Art Direction

George Milo

Set Decoration

Bud Westmore

Makeup Artist

S. H. Barnett

Story

Frank Tarloff

Screenplay

Peter Stone

Screenplay