 Joan CrawfordKay Bentley | Kay Bentley |
 Brian AherneTerence 'Terry' O'Neill | Terence 'Terry' O'Neill |
 Frank MorganG.P. Bentley | G.P. Bentley |
 Aline MacMahonBetty Collins | Betty Collins |
 Eric BloreGrove, Bentley's Butler | Grove, Bentley's Butler |
 Fred KeatingGene Piper | Gene Piper |
 Jessie RalphMrs. O.H.B. Gage, Kay's Grandmother | Mrs. O.H.B. Gage, Kay's Grandmother |
 Arthur TreacherGallup, Mrs. Gage's Butler | Gallup, Mrs. Gage's Butler |
 Frank ConroyDoctor | Doctor |
 Etienne GirardotProfessor | Professor |
 Esther DaleBrumbaugh, Mrs. Gage's Housekeeper | Brumbaugh, Mrs. Gage's Housekeeper |
 Hale HamiltonUncle Carl | Uncle Carl |
 Hilda VaughnMiss Ann Morrison | Miss Ann Morrison |
 Frank ShieldsOuter Office Secretary | Outer Office Secretary |
 Sterling HollowayMax | Max |
 Vince BarnettClerk | Clerk |
 Hedda HopperAlvin's Mother | Alvin's Mother |
 Lionel StanderYaffitz, Bridge Player | Yaffitz, Bridge Player |
 Tom DuganLecture Hall Guard | Lecture Hall Guard |
 Agnes AndersonSheila (Uncredited) | Sheila (Uncredited) |
 Marion Clayton AndersonLois (Uncredited) | Lois (Uncredited) |
 Jane BarnesRuth (Uncredited) | Ruth (Uncredited) |
 Finis BartonMiss Wilcox (Uncredited) | Miss Wilcox (Uncredited) |
 Granville BatesYacht Captain (Uncredited) | Yacht Captain (Uncredited) |
 George BaxterBishop (Uncredited) | Bishop (Uncredited) |
| CCharles BennettStewart (Uncredited) | Stewart (Uncredited) |
 Harry C. BradleyMuseum Curator (Uncredited) | Museum Curator (Uncredited) |
 Edward BrophyPete (Uncredited) | Pete (Uncredited) |
 Gino CorradoGuest at the Ball (Uncredited) | Guest at the Ball (Uncredited) |
 Ronnie CosbyAlvin (Uncredited) | Alvin (Uncredited) |
