• 
  W.S. Van Dyke

  regizor

• 
  Harry B. Smith

  scenarist

• 
  Nelson Eddy

  Ernest Lane
• 
  William Worthington

  Backstage Man at NBC Theater
• 
  Jeanette MacDonald

  Gwen Marlowe
• 
  Frank Morgan

  Felix Lehman
• 
  Raymond Walburn

  Orlando Lane
• 
  Edward Hearn

  Invitat

• 
  George Barbier

  Benjamin Silver
• 
  Frank Mills

  Electrician
• 
  Dick Rich

  2nd Stage Hand
• 
  Jack George

  Violinist
• 
  Berton Churchill

  Sheridan Lane
• 
  Marjorie Kane

  Telephone Operator
• 
  Toby Wing

• 
  Gayne Whitman

  Commentator
• 
  James Flavin

  Melody Theater Doorman
• 
  Maude Turner Gordon

  Dowager
• 
  Allyn Joslyn

  Dink Rogers
• 
  Ralph Brooks

  Man in Radio Audience
• 
  Irving Bacon

  Assistant Director
• 
  Joe Devlin

  New York Taxi Driver
• 
  Edward Earle

  Man in Lobby
• 
  Dorothy Christy

  Woman in Lobby
• 
  Ray Bolger

  Hans the Dancer
• 
  Florence Rice (I)

  Kay Jordan
• 
  Reginald Gardiner

  Norman Trumpett
• 
  Lee Phelps

  Doorman at Hotel Morengo
• 
  Don Barclay

  Leo's Taxi Driver
• 
  Jimmy Conlin

  Properties Man
• 
  Grace Hayle

  Telephone Operator
• 
  Hal K. Dawson

  Morty, Stage Manager
• 
  George Cooper

  Electrician
• 
  Forrester Harvey

  Tailor's Assistant
• 
  Joan Barclay

  Chorus Girl
• 
  Mischa Auer

  Leo Kronk
• 
  Edmund Mortimer

  Show Spectator
• 
  Cyril Ring

  Chelner
• 
  Brooks Benedict

  Man in Radio Audience
• 
  A.S. 'Pop' Byron

  Poliţist
• 
  Gene Lockhart

  Augustus
• 
  Terry Kilburn

  Gwen's brother
• 
  Lucile Watson

  Mrs. Marlowe
• 
  Mary Howard