 Bing CrosbyDan Brooks | Dan Brooks |
 Coleen GrayAlice 'Princess' Higgins | Alice 'Princess' Higgins |
 Charles BickfordJ.L. Higgins | J.L. Higgins |
 Frances GiffordMargaret Higgins | Margaret Higgins |
 William DemarestHappy | Happy |
 Raymond WalburnProf. Pettigrew | Prof. Pettigrew |
 James GleasonRacing Secretary | Racing Secretary |
 Ward BondLee | Lee |
 Clarence MuseWhitey | Whitey |
 Percy KilbridePop Jones | Pop Jones |
 Harry DavenportJohnson | Johnson |
 Margaret HamiltonEdna | Edna |
 Paul HarveyWhitehall | Whitehall |
 Douglass DumbrilleEddie Howard | Eddie Howard |
 Gene LockhartJ.P. Chase | J.P. Chase |
 Marjorie HoshelleMathilda Early | Mathilda Early |
 Rand BrooksHenry Early | Henry Early |
 Willard WatermanArthur Winslow | Arthur Winslow |
 Marjorie LordMary Winslow | Mary Winslow |
 Irving BaconHamburger Man | Hamburger Man |
 Joe FriscoJoe Frisco | Joe Frisco |
 Frankie DarroJockey Williams | Jockey Williams |
 Charles LaneErickson | Erickson |
 Dub TaylorJoe | Joe |
 Max BaerBertie (uncredited) | Bertie (uncredited) |
 Clara BlandickMrs. Peterson (archive footage) (uncredited) | Mrs. Peterson (archive footage) (uncredited) |
 Harry C. BradleyHoward's Bookkeeper (archive footage) (uncredited) | Howard's Bookkeeper (archive footage) (uncredited) |
 Heinie ConklinBettor on Broadway Bill (archive footage) (uncredited) | Bettor on Broadway Bill (archive footage) (uncredited) |
 Ann DoranNurse (uncredited) | Nurse (uncredited) |
 Highland DaleBroadway Bill - the Horse (uncredited) | Broadway Bill - the Horse (uncredited) |
