Al Jolson
— Al Howard
Ruby Keeler
— Dorothy 'Dot' Wayne
Glenda Farrell
— Molly Howard
Barton MacLane
— Duke Hutchinson
Patsy Kelly
— Irma 'Toledo' Knight
Akim Tamiroff
— Mexican in La Cucaracha Cantina
Helen Morgan
— Luana Wells
Sharon Lynn
— Nellie Lahey (Blonde Showgirl)
Fred 'Snowflake' Toones
— Snowflake
Phil Regan
— Eddie "Teddy" Rio
William B. Davidson
— Tom McGee
Joseph Crehan
— H.P. Jackson
Gordon Westcott
— Fred
Henry Kolker
— Doctor
Marc Lawrence
— Eddie Logan
Theresa Harris
— Dressing Room Maid
Ward Bond
— Herman Lahey
Russell Hicks
— Sam Rupert
Robert Gleckler
— Pete Brown
Arthur Treacher
— Latimer
Milton Kibbee
— Waiter at Shim Sham Cafe
Bess Flowers
— Nightclub Patron at Casino de Paree
Joyce Compton
— Café Showgirl
Lita Chevret
— Angry Showgirl #1
Mary Carr
— Wardrobe Mistress
Nick Copeland
— Nick
Florence Dudley
— Phone Operator
Bill Elliott
— Jackson's Secretary / Dorothy's Dance Partner
John Hyams
— Producer #2
Joyzelle Joyner
— Cantina Dancer