| Cris Alexander | Raymond | |
| Guy Arbury | Butler | |
| Claude Upson | ||
| Fred a groom | ||
| Ray Fulmer | Patrick Dennis, as a young man | |
| Greer Garson | Auntie Mame | (Jan 20, 1958 - ?) |
| Walter Greaza | Claude Upson | |
| James Hickman | Patrick Dennis, as a young man | |
| Dennis Joel | Michael Dennis | |
| Patrick Dennis, as a boy | ||
| John Lee | Ito | |
| Mark Lee | Ito | |
| Beatrice Lillie Replaced Greer Garson for 4 weeks prior to opening the show in London | Auntie Mame | (Jun 2, 1958 - ?) |
| Florence MacMichael | Agnes Gooch | |
| Sellwyn Myers | Sam another groom | |
| Peter Pell | Huntsman | |
| Osbert | ||
| Isabel Price | Cousin Fan | |
| Walter Riemer | Mr. Loomis | |
| Spivy | Mother Burnside | |
| Ann Summers Broadway debut | Sally Cato MacDougal | |
| Barry Towsen | Emory Macdougal | |
| Stanley Vincent | Emory Macdougal | |
| Eugene Wilson | Customer's Son |