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