Pat O'Brien

Chief Michael 'Mike' Mallory

George Murphy

Lt. Thomas L. 'Tom' Sands

Jane Wyatt

Myra Mallory

Jackie Cooper

Joe 'Babe' Duttson

Carl Esmond

Richard 'Dutch' Kroner

Max Baer

Coxswain G. Berringer

Desi Arnaz

Pat Tarriba

Ray Collins

Capt. McCall

Franklin D. Roosevelt

Himself (Voice)

Lee Bonnell

Kovac

Frank Jenks

Sampier

John McGuire

James Bayless (as John Maguire)

Frank Fenton

Hodum

Marten Lamont

Lt. Cmdr. Murray - navy doctor