
| Joan Crawford | ... | Kay Bentley |

| Brian Aherne | ... | Terence 'Terry' O'Neill |

| Frank Morgan | ... | G.P. Bentley |
 | Aline MacMahon | ... | Betty Collins |
 | Eric Blore | ... | Grove, Bentley's Butler |
 | Fred Keating | ... | Gene Piper |
 | Jessie Ralph | ... | Mrs. O.H.B. Gage, Kay's Grandmother |
 | Arthur Treacher | ... | Gallup, Mrs. Gage's Butler |
 | Frank Conroy | ... | Doctor |
 | Etienne Girardot | ... | Professor |
 | Esther Dale | ... | Brumbaugh, Mrs. Gage's Housekeeper |
 | Hale Hamilton | ... | Uncle Carl |
 | Hilda Vaughn | ... | Miss Ann Morrison |
 | Frank Shields | ... | Outer Office Secretary |
 | Sterling Holloway | ... | Max |
 | Vince Barnett | ... | Clerk |

| Hedda Hopper | ... | Alvin's Mother |
 | Lionel Stander | ... | Yaffitz, Bridge Player |
 | Tom Dugan | ... | Lecture Hall Guard |
| rest of cast listed alphabetically: |
 | Rudolph Anders | ... | Undetermined Role (unconfirmed) |
 | Adrienne D'Ambricourt | ... | Undetermined Role (unconfirmed) |
 | Leona Maricle | ... | Undetermined Role (unconfirmed) |
 | Broderick O'Farrell | ... | Undetermined Role (unconfirmed) |
 | Agnes Anderson | ... | Shelia (uncredited) |
 | Marion Clayton Anderson | ... | Lois, Girl at the Party (uncredited) |

| Jane Barnes | ... | Ruth, at Christmas Party (uncredited) |
 | Finis Barton | ... | Miss Wilcox (uncredited) |
 | Granville Bates | ... | Yacht Captain (uncredited) |
 | George Baxter | ... | Bishop (uncredited) |
 | Charles Bennett | ... | Stewart (uncredited) |
 | Harry C. Bradley | ... | Museum Curator (uncredited) |
 | Edward Brophy | ... | Pete (uncredited) |

| Gino Corrado | ... | Guest at the Ball (uncredited) |
 | Ronnie Cosby | ... | Alvin, Child at Christmas Party (uncredited) |
 | Blanche Craig | ... | Undetermined Role (uncredited) |
 | Nick De Ruiz | ... | Greek Following Kay (uncredited) |
 | Harry Depp | ... | Clerk with Glasses (uncredited) |
 | Jan Duggan | ... | Aunt Mathilde, Loud Singer (uncredited) |
 | Sarah Edwards | ... | Professor Douglas (uncredited) |
 | John George | ... | Greek Following Kay (uncredited) |
 | Betty Jean Hainey | ... | Louisa, Child at Christmas Party (uncredited) |
 | Richard Hemingway | ... | Master of Ceremonies (uncredited) |
 | Howard C. Hickman | ... | Teacher at Terry's Lecture (uncredited) |
 | Harold Huber | ... | Picture Hanger (uncredited) |
 | Arthur Stuart Hull | ... | Undetermined Role (uncredited) |
 | Gladden James | ... | Teacher at Terry's Lecture (uncredited) |
 | Leonid Kinskey | ... | Waiter (uncredited) |
 | Henry Kolker | ... | Relative at Mrs. Gage's (uncredited) |
 | Carl M. Leviness | ... | Nightclub Guest (uncredited) |
 | Wilbur Mack | ... | Bridge Game Onlooker (uncredited) |
 | Wally Maher | ... | Reporter (uncredited) |
 | Tom Mahoney | ... | Museum Guard (uncredited) |
 | Beth Marion | ... | Stenographer (uncredited) |
 | Clark Marshall | ... | Clerk (uncredited) |
 | Garry Owen | ... | Elevator Operator (uncredited) |
 | Wanda Perry | ... | Girl in Church (uncredited) |
 | Buster Phelps | ... | Child at Christmas Party (uncredited) |
 | Shirley Jean Rickert | ... | Child at Christmas Party (uncredited) |
 | Jason Robards Sr. | ... | Church, Man at Party (uncredited) |
 | Adrian Rosley | ... | Greek Listening to Radio (uncredited) |
 | Shirley Ross | ... | Vi - drunken party guest dozing in armchair next to piano (uncredited) |
 | Harry Semels | ... | Greek Following Kay (uncredited) |
 | Carl Stockdale | ... | Clerk (uncredited) |
 | Charles Trowbridge | ... | Minister at Wedding (uncredited) |
 | Harry Tyler | ... | Photographer (uncredited) |
 | Nella Walker | ... | Ruth's Mother (uncredited) |
 | Howard Wilson | ... | Undetermined Role (uncredited) |
 | Freeman Wood | ... | Mr. Waterbury Jr., at the Party (uncredited) |
 | Barbara Worth | ... | Mrs. Waterbury (uncredited) |
 | Armand 'Curly' Wright | ... | Greek Merchant (uncredited) |