 | Deborah Kerr als Anna Leonowens |
 | Yul Brynner als King Mongkut of Siam |
 | Rita Moreno als Tuptim |
 | Martin Benson als Kralahome |
 | Terry Saunders als Lady Thiang |
 | Rex Thompson als Louis Leonowens |
 | Patrick Adiarte als Prince Chulalongkorn |
 | Alan Mowbray als Sir John Hay |
 | Carlos Rivas als Lun Tha |
 | Geoffrey Toone als Sir Edward Ramsay |
 | Charles Irwin als Capt. Orton (uncredited) |
 | Marni Nixon als Anna Leonowens (singing voice) (uncredited) |
 | Evelyn Rudie als Royal Child (uncredited) |
| Ernest Lehman | Screenplay |
| Charles Brackett | Producer |
| Margaret Landon | Novel |
| Walter Lang | Director |
| Oscar Hammerstein II | Musical |
| Leon Shamroy | Director of Photography |
| Robert L. Simpson | Editor |
| Walter M. Scott | Set Decoration |
| Irene Sharaff | Costume Design |
| Paul S. Fox | Set Decoration |
| Lyle R. Wheeler | Art Direction |
| Ben Nye | Makeup Artist |
| Darryl F. Zanuck | Executive Producer |
| Eli Dunn | Assistant Director |
| John DeCuir | Art Direction |
| Helen Turpin | Hairstylist |
| Alfred Newman | Original Music Composer |
| Eric Allwright | Makeup Artist |
| Hal Lierley | Makeup Artist |
| Lynn F. Reynolds | Makeup Artist |
| Warren B. Delaplain | Sound |
| E. Clayton Ward | Sound |
| Carlton W. Faulkner | Sound Editor |
| Ray Kellogg | Visual Effects |
| Richard Rodgers | Songs |
| Oscar Hammerstein II | Lyricist |
