Pat O'Brien as Michael O'Flaherty 'Speed' McBride

Adolphe Menjou as Kismet

Ellen Drew as Connie McBride

Rudy Vallee as Gordon Tolliver

Fortunio Bonanova as Prof. Zorado

Joseph Crehan as Dr. James P. Whitney

Jonathan Hale as Osborne

Minna Gombell as Aunt Sophie

Jason Robards Sr. as Henry Fletcher

Jack Norton as William T. Lafferty

Robert Homans as Uncle Barney McBride (uncredited)

Tom Kennedy as Bartender (uncredited)

Carl Switzer as Ignatius Lafferty (uncredited)