Chief Michael 'Mike' Mallory

Pat O'Brien

Acting

Lt. Thomas L. 'Tom' Sands

George Murphy

Acting

Myra Mallory

Jane Wyatt

Acting

Joe 'Babe' Duttson

Jackie Cooper

Acting

Richard 'Dutch' Kroner

Carl Esmond

Acting

Coxswain G. Berringer

Max Baer

Acting

Pat Tarriba

Desi Arnaz

Acting

Capt. McCall

Ray Collins

Acting

Himself (Voice)

Franklin D. Roosevelt

Acting

Kovac

Lee Bonnell

Acting

Sampier

Frank Jenks

Acting

James Bayless (as John Maguire)

John McGuire

Acting

Hodum

Frank Fenton

Acting

James Dennis

Joey Ray

Acting

Lt. Cmdr. Murray - navy doctor

Marten Lamont

Acting