Jack Lemmon

Rip Crandall

Ricky Nelson

Tommy Hanson

John Lund

Wilbur Vandewater

Chips Rafferty

Patterson

Tom Tully

Captain McClung

Joby Baker

Josh Davidson

Warren Berlinger

A.J. Sparks

Mike Kellin

Jack MacCarthy

Richard Anderson

Dennis Foster

Alvy Moore

Johnson

Teru Shimada

Samada

John Anderson

Sailor (uncredited)

Lysa D'Anjou

French guide (uncredited)

Dale Ishimoto

Japanese Pilot (uncredited)

Roy Jenson

Shark Bait - USS Echo Crewman (uncredited)

Richard Quine

Narrator (uncredited)

Sid Tomack

Arthur, Bartender at Kangaroo Club (uncredited)

Ron Veto

Native (uncredited)