 | Katharine Houghton als Joanna "Joey" Drayton |
 | Sidney Poitier als John Prentice |
 | Katharine Hepburn als Christina Drayton |
 | Spencer Tracy als Matt Drayton |
 | Cecil Kellaway als Monsignor Ryan |
 | Beah Richards als Mrs. Prentice |
 | Roy Glenn als Mr. Prentice |
 | Isabel Sanford als Tillie |
 | Virginia Christine als Hilary St. George |
 | Alexandra Hay als Carhop |
 | Barbara Randolph als Dorothy |
 | D'Urville Martin als Frankie |
 | Tom Heaton als Peter |
 | Grace Gaynor als Judith |
 | Skip Martin als Delivery Boy |
 | John Hudkins als Cab Driver |
 | Natalie Core als (uncredited) |
 | Timothy Scott als (uncredited) |
 | Jacqueline Fontaine als Singer (uncredited) |
| June Whitley Taylor als Edie (voice) (uncredited) |
| Stanley Kramer | Director |
| Stanley Kramer | Producer |
| Frank De Vol | Original Music Composer |
| Sam Leavitt | Director of Photography |
| Robert C. Jones | Editor |
| Robert Clatworthy | Production Design |
| Helen Hunt | Hairstylist |
| Joe King | Costume Design |
| Frank Tuttle | Set Decoration |
| Joe DiBella | Makeup Artist |
| Ben Lane | Makeup Artist |
| Ivan Volkman | Production Supervisor |
| Ray Gosnell Jr. | Assistant Director |
| Leonard Kunody | Assistant Director |
| Robert Martin | Sound |
| Clem Portman | Sound Re-Recording Mixer |
| Charles J. Rice | Sound |
| Lawrence W. Butler | Visual Effects |
| Albert Woodbury | Orchestrator |
| Carol Kaye | Music |
| Marshall Schlom | Script Supervisor |
| Clarence Peet | Property Master |
| Jean Louis | Wardrobe Supervisor |
| Marty Kashuk | Grip |
| Les Everson | Electrician |
| William Gossman | Camera Operator |
| Geza Gaspar | Special Effects |
| William Rose | Writer |
| George Glass | Associate Producer |
| Wayne Fitzgerald | Title Designer |
