Trailer
 | Ethel Barrymore as Herself |
 | Evelyn Rudie as Eloise |
 | Louis Jourdan as Himself |
 | Kay Thompson as Herself |
 | Hans Conried as Rene the French Waiter |
 | Charles Ruggles as Murphy |
 | Mildred Natwick as Nanny |
 | Jack Mullaney as Eloise's Tutor |
 | Maxie Rosenbloom as Himself |
 | Monty Woolley as Himself |
 | William Roerick as Manager of the Plaza |
 | Inger Stevens as Joanna |
 | Bartlett Robinson as Eloise's Lawyer |
 | Conrad Hilton Sr. as Self |
| Directing | |
| John Frankenheimer | Director |
Writing | |
| Leonard Spigelgass | Writer |
| Kay Thompson | Book |
Production | |
| Martin Manulis | Producer |
