Jack Benny as Dr. John H. Harvey

Betty Bronson as Mamie Goltz

E. Alyn Warren as Emil Goltz

Eva Novak as Hilda

Billy Butts as Buddy Goltz

Adolph Milar as Peter Schultz

George E. Stone as Steve

Tom Dugan as Charley

Vadim Uraneff as Gus

Caroline Rankin as Hattie

Dorothea Wolbert as Miss Wilson

Ray Erlenborn as (uncredited)

Edward Gazelle as (uncredited)