Tyrone Power Dion O'Leary Alice Faye Belle Fawcett Don Ameche Jack O'Leary Alice Brady Molly O'Leary Andy Devine Pickle Bixby Brian Donlevy Gil Warren Phyllis Brooks Ann Colby Tom Brown Bob O'Leary Sidney Blackmer General Phil Sheridan Berton Churchill Senator Colby June Storey Gretchen Paul Hurst Mitch Tyler Brooke Specialty Singer J. Anthony Hughes Pat O'Leary Gene Reynolds Dion O'Leary (as a boy) Bobs Watson Bob O'Leary (as a boy) Madame Sul-Te-Wan Hattie Spencer Charters Commissioner W.J. Beavers Rondo Hatton Rondo - Body Guard Ruth Gillette Miss Lou Eddie Collins Drunk Clarence Wilson Lawyer Frank Dae Judge Harry Stubbs Fire Commissioner Joe King Ship's Captain Francis Ford Driver Wade Boteler Police Officer Gustav von Seyffertitz Dutch - Politician in Jack's Office Russell Hicks Politician in Jack's Office Brooks Benedict Courtroom Spectator (uncredited) George Chandler Onlooker (uncredited) Bess Flowers Woman with Colby (uncredited) Vera Lewis Wedding Witness (uncredited) Bert Moorhouse Opening Night Guest (uncredited) William H. O'Brien Senate Waiter (uncredited)