Ruth Dunning
— Miss Letty Frost / Irma Randall
Nora Nicholson
— Mrs. Louisa Sprule
Joanna Dunham
— Freda Maybury
Howard Pays
— Jack Loring
May Hallatt
— Miss Burge
Gwenda Wilson
— Jean Berry / Jean Hinton
Ian Colin
— Reverend Everard Porson
Gladys Henson
— Miss Caroline Cassell
Barbara Everest
— Mrs. Judson
Max Brimmell
— Doctor Spalding
James Raglan
— Sir Phillip Morstan
Trevor Reid
— Inspector Craven
Elizabeth Begley
— Mrs. Caldwell
Diana Chesney
— Mrs. Roberts
Jerold Wells
— George Burling / Ned Barrett
Richard McNeff
— Mr. Brown, the Chemist
Jan Miller
— Girl Assistant at Chemist
Jackie Noble
— Maisie
Edna Morris
— Mrs. Millett
Deirdre Clarke
— Joan Mason
Arlene Butler
— Bunch
Brian Weske
— Jim
Roddy Maude-Roxby
— Pug
John Line
— Peter
Frank Sieman
— Police Sergeant Morris
Keith Smith
— Constable Kemp
Frank Hawkins
— Inspector Bartlett
Barry Wilsher
— Sergeant Hewson