Mayerling (1957) — Cast
Cast
| Laurinda Barrett | Caspar's Cousin |
| Nancy Marchand | Stephanie |
| Lorne Greene | President's Aide |
| Francis Compton | Prater |
| Pippa Scott | Vetsera |
| Basil Sydney | Joseph |
| Iggie Wolfington | Coolie A |
| Judith Evelyn | Countess Bellegarde |
| Audrey Hepburn | Vetsera |
| Michael Evans | Hoyos |
| David Opatoshu | Police Officer |
| Nat Norbet | Additional Performances (puppeteer) |
| Diana Wynyard | Elizabeth |
| Monique van Vooren | Marinka |
| Raymond Massey | Prime Minister |
| Nehemiah Persoff | Police Officer |
| David Atkinson | Philip Marlowe |
| Mel Ferrer | Crown |
| Ian Wolfe | Loschek |
| John McGovern | Szeps |
| Isobel Elsom | Vetsera |
| Berry Kroeger | Headwaiter |
| Ann Dere | Nurse |
Crew
| Edith Hamlin | Production Assistant |
| Alvin Cooperman | Production Executive |
| Andrew McCullough | Production Assistant |
| Ed Hoffmeister | Technical Supervisor |
| Jack Fitzpatrick | Lighting Director |
| Dean Whitmore | Assistant Director |
| George Lawrence | Production Manager |
| Claude Anet | Novel |
| Leo Davis | Associate Producer |
| Kirk Browning | Director |
| Herman Kitchen | Editor |
| Otis Riggs | Settings |
| Irma von Cube | Adaptation |
| George Bassman | Conductor |
| Anatole Litvak | Director |
| Fred Christie | Sound |
| George Bassman | Original Music Composer |
| Jack Coffey | Technical Supervisor |
| Shelley Hull | Production Supervisor |
| Bill Orgill | Graphic Designer |
| Marc Breaux | Choreographer |
| Warren Burmeister | Unit Manager |
| Dorothy Jeakins | Costume Design |
| Anatole Litvak | Producer |
| Dick Smith | Makeup Artist |
| Mort Abrahams | Executive Producer |
| Joan MacDonald | Casting Director |
| Andrew McCullough | Adaptation |