Penny Singleton
— Blondie Bumstead
Arthur Lake
— Dagwood " Dag " Bumstead
Larry Simms
— Alexander " Baby " Bumstead
Daisy
— Daisy
Jonathan Hale
— J.C. Dithers
Danny Mummert
— Alvin Fuddle
Hans Conried
— George Wickley
Stanley Brown
— Ollie Shaw
Irving Bacon
— Mr. Crumb
Mary Wickes
— Sarah Miller
Don Barclay
— Walter (uncredited)
Sylvia Field
— Maternity Nurse (uncredited)
Paul Harvey
— William Lawrence (uncredited)
Olin Howland
— Office Worker (uncredited)
Tom Kennedy
— Motorcycle Cop Who Names The Baby 'Cookie' (uncredited)
Arthur O'Connell
— Interne (uncredited)
Eileen O'Hearn
— Hospital Nurse (uncredited)
Dorothy Ann Seese
— Little Girl (uncredited)
Norma Jean Wayne
— Baby Cookie Bumstead (uncredited)