James Cagney
George M. Cohan
Joan Leslie
Mary
Walter Huston
Jerry Cohan
Richard Whorf
Sam Harris
Irene Manning
Fay Templeton
George Tobias
Dietz
Rosemary DeCamp
Nellie Cohan
Jeanne Cagney
Josie Cohan
Frances Langford
Singer
George Barbier
Erlanger
Walter Catlett
Theatre Manager
Douglas Croft
George M. Cohan, as a boy of 13
Eddie Foy Jr.
Eddie Foy
Minor Watson
Albee
Chester Clute
Goff
Odette Myrtil
Madame Bartholdi
Patsy Parsons
Josie Cohan, as a girl of 12
S.Z. Sakall
Schwab
Jack Young
The President
Ann Doran
Receptionist (uncredited)
Frank Faylen
Sergeant on Parade (uncredited)
Pat Flaherty
Sgt. Lewis (uncredited)
Bert Moorhouse
Maurice Ruppe (uncredited)
Dolores Moran
The Pippirino (uncredited)
Poppy Wilde
Chorus Girl for 'Little Johnny Jones' Number (uncredited)
Phyllis Kennedy
Fanny (uncredited)
Doris Merrick
(uncredited role)
Jean Inness
Reporter (uncredited)
Dorothy Kelly
Hazel Dohlman
Theatre Patron (uncredited)
John Breen
Soldier (uncredited)
Jack Deery
Theatre Patron (uncredited)
John Alban
Theatre Patron
Murray Alper
Wiseguy
Audrey Long
Dietz and Goff's Receptionst