James Cagney

George M. Cohan

Joan Leslie

Mary

Walter Huston

Jerry Cohan

Richard Whorf

Sam Harris

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

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)

Doris Merrick

(uncredited role)

Jean Inness

Reporter (uncredited)

John Breen

Soldier (uncredited)

Jack Deery

Theatre Patron (uncredited)