Maxine Audley
as Mrs. Stephens
Anna Massey
as Helen Stephens
Carl Boehm
as Mark Lewis
Moira Shearer
as Vivian
Esmond Knight
as Arthur Baden
Bartlett Mullins
as Mr. Peters
Shirley Field
as Diane Ashley
Michael Goodliffe
as Don Jarvis
Brenda Bruce
as Dora
Martin Miller
as Dr. Rosen
Pamela Green
as Milly, the model
Jack Watson
as Chief Inspector Gregg
Nigel Davenport
as Det. Sgt. Miller (uncredited)
Brian Wallace
as Tony (uncredited)
Susan Travers
as Lorraine, the model (uncredited)
Maurice Durant
as Publicity chief (uncredited)
Brian Worth
as Assistant director (uncredited)
Veronica Hurst
as Miss Simpson (uncredited)
Miles Malleson
as Elderly gentleman customer
Alan Rolfe
as Store detective (uncredited)