Owen Davis Jr. as Bunker Bean

Louise Latimer as Mary Kent

Robert McWade as J.C. Kent

Jessie Ralph as Grandmother

Lucille Ball as Rosie Kelly

Berton Churchill as Professor Ed Balthazer

Edward Nugent as Mr. Glab (as Edward Nugent)

Hedda Hopper as Mrs. Dorothy Kent

Ferdinand Gottschalk as Dr. Meyerhauser

Leonard Carey as Kent's Butler

Russell Hicks as A. C. Jones

Sibyl Harris as Countess Cassandra

Joan Davis as Mabel - Bunker's Secretary (uncredited)

Richard Abbott as Metzger - Kent & Company Clerk (uncredited)

Richard Barbee as Member of Board of Directors (uncredited)

Edgar Dearing as Policeman (uncredited)

Donald Haines as Jones & Co. Office Boy (uncredited)

Ben Hewlett as Member of Board of Directors (uncredited)

Maxine Jennings as Jones & Co. Receptionist (uncredited)

Lorimer Johnston as Member of Board of Directors (uncredited)

Edward LeSaint as Member of Board of Directors (uncredited)

Pierre Watkin as Mr. Barnes (uncredited)

Patricia Wilder as Jones' Secretary (uncredited)