I Met a Murderer is a 1939 British thriller film directed by Roy Kellino and starring James Mason, Pamela Mason, Sylvia Coleridge and William Devlin. It was written by Pamela Mason, James Mason and Ke

Pamela Helen Mason, also known during her career as Pamela Kellino, was an English actress, author and screenwriter. She was the creative partner and first wife of the actor James Mason.