| Margaret Leighton |
Judith Wynter / "Leonie Hathaway" |
| Ralph Richardson |
Professor Roger Wynter / "Sir Clement Hathaway" |
| Patricia Dainton |
Emily / "Betty" |
| Carlo Giustini (as Carlo Justini) |
Carlo / "Mario" |
| Marjorie Rhodes |
Mrs. Poldy |
| Thorley Walters |
Jimmy |
| Frederick Piper |
Mr. Poldy |
| Megs Jenkins |
Millie / "Millie, Publican's Wife" |
| Alexander Gauge |
M/C at Dance |
| John Arnatt |
Maurice Lamport / Martin |
| George Woodbridge |
First Landlord |
| Allan Cuthbertson |
Doctor Stevenson |
| Michael Trubshawe |
Second Landlord |
| Ada Reeve |
Old Woman |
| Andrée Melly |
Maria |
| Michael Shepley |
Miles Easter |
| Barbara Archer |
Doris |
| Barbara Graley |
Secretary |
| Christopher Witty |
Peter Wynter |
| Fred Tooze |
Amos |
| Pat Ryan |
Guard |
| Michael Scoble |
Michael Wynter |
