George M. Cohan
Mary
Jerry Cohan
Sam Harris
Fay Templeton
Dietz
Nellie Cohan
Josie Cohan
Singer
Erlanger
Theatre Manager
George M. Cohan, as a boy of 13
Eddie Foy
Albee
Goff
Madame Bartholdi
Josie Cohan, as a girl of 12
Schwab
The President
Receptionist (uncredited)
Sergeant on Parade (uncredited)
Sgt. Lewis (uncredited)
Maurice Ruppe (uncredited)
The Pippirino (uncredited)