• 
  Michael Curtiz

  regizor

• 
  Edmund Joseph

  scenarist

• 
  James Cagney

  George M. Cohan
• 
  Walter Huston

  Jerry Cohan
• 
  Joan Leslie

  Mary Cohan
• 
  Dolores Moran
• 
  George Barbier

  Erlanger
• 
  Frank Mills

  Pedestrian seeking newspaper

• 
  Eddie Foy Jr.

  Eddie Foy
• 
  Lon McCallister
• 
  Rosemary DeCamp

  Nellie Cohan
• 
  James Flavin

  Union Army veteran #1 on caisson
• 
  Pat Flaherty

  Sgt. Lewis (White House guard)
• 
  Frances Langford

  Singer
• 
  S.Z. Sakall

  Schwab

• 
  Charles Irwin

  Horse race announcer, 'Little Johnny Jones' number
• 
  William Hopper

  Reporter
• 
  Ann Doran

  Receptionist
• 
  Frank Faylen

  Sergeant on parade (last scene)
• 
  Richard Whorf

  Sam Harris
• 
  Walter Brooke

  Reporter
• 
  Murray Alper

  Wiseguy
• 
  Douglas Croft

  George M. Cohan, As a Boy of 13
• 
  Dave Willock

  Stage Manager, 'Peck's Bad Boy'
• 
  Frank Mayo

  Hotel clerk #2
• 
  Eddie Kane

  Wilson ('Little Johnny Jones' number)
• 
  Frank Sully

  Army recruiter
• 
  Fred Kelsey

  Irish cop in 'Pecks Bad Boy'
• 
  John 'Skins' Miller

  Horse race official
• 
  Walter Catlett

  Theatre Manager
• 
  Chester Clute

  Goff
• 
  Henry Blair

  George M. Cohan at 7
• 
  Creighton Hale

  Telegraph operator
• 
  William Davidson

  New York stage manager
• 
  Joe Gray (I)
• 
  Stuart Holmes

  Backstage actor, 'Peck's Bad Boy'
• 
  Leo White

  Backstage actor, 'Peck's Bad Boy'
• 
  George Meeker

  Hotel clerk #1
• 
  Wallis Clark

  Theodore 'Teddy' Roosevelt
• 
  Eddie Acuff

  Reporter
• 
  Brooks Benedict

  Dressing room guest
• 
  George Tobias

  Dietz
• 
  Vera Lewis
• 
  Audrey Long

  Dietz & Goff's receptionst
• 
  Glen Cavender

  Colony Opera House stagehand
• 
  Jeanne Cagney

  Josie Cohan
• 
  Irene Manning

  Fay Templeton
• 
  Minor Watson

  Albee