Penny Singleton as Blondie Bumstead

Arthur Lake as Dagwood " Dag " Bumstead

Larry Simms as Alexander " Baby " Bumstead

Daisy as Daisy

Jonathan Hale as J.C. Dithers

Danny Mummert as Alvin Fuddle

Hans Conried as George Wickley

Stanley Brown as Ollie Shaw

Irving Bacon as Mr. Crumb

Mary Wickes as Sarah Miller

Don Barclay as Walter (uncredited)

Sylvia Field as Maternity Nurse (uncredited)

Paul Harvey as William Lawrence (uncredited)

Olin Howland as Office Worker (uncredited)

Tom Kennedy as Motorcycle Cop Who Names The Baby 'Cookie' (uncredited)

Arthur O'Connell as Interne (uncredited)

Eileen O'Hearn as Hospital Nurse (uncredited)

Dorothy Ann Seese as Little Girl (uncredited)

Norma Jean Wayne as Baby Cookie Bumstead (uncredited)