The Secret (1955 film)

The Secret is a 1955 British crime drama directed by Cy Endfield and starring Sam Wanamaker, Mandy Miller, and André Morell.

Plot
Nick Delaney, an American stranded in England without money, meets a woman who has smuggled diamonds into the country inside a teddy bear. But his hopes for financial aid are shattered when she is pushed from a cliff. Delaney then finds himself the prime suspect. He finally gets his hands on the gems but loses them to a gang of crooks. Can Delaney prove his innocence and shop the crooks to the police?

Cast

 * Sam Wanamaker as Nick Delaney
 * Mandy Miller as Katie Martin
 * André Morell as Chief Inspector Blake
 * Marian Spencer as Aunt Doris
 * Jan Miller as Margaret
 * Richard O'Sullivan as John Martin
 * Wyndham Goldie as Doctor Scott
 * Henry Caine as Superintendent
 * Aimée Delamain as Miss Lyons
 * John Miller as Toy Shop Assistant
 * Harold Berens as Frank Farmer

Critical reception
TV Guide called the film "slow going, with a few moments of excitement." Sky Movies called it a "taut thriller."