Guest Stars Patricia Hitchcock as Diana Winthrop Co Starring Maurice Marsac as Clerk Alan Napier as Sir Everett Geoffrey Toone as Basil Farnham Peter Camlin as Porter Ann Codee as Doctor's Wife Jack Chefe as Detective John Mylong as Doctor Mary Forbes as Mrs. Winthrop Gerry Gaylor as Maid Albert d'Arno as Bellhop Michael Hadlow as Maris