Booby Trap is a 1957 black and white British comedy drama 'B' film,[1] directed by Henry Cass and starring Tony Quinn, Harry Fowler and Sidney Tafler.

Professor Hasdane has invented an explosive fountain pen, which will explode if it hears the first chime of Big Ben.

The Monthly Film Bulletin wrote: "A lively, if juvenile, idea is sacrificed after the opening scenes, promising a suspense which never materialises.

"[3] Kine Weekly wrote: "The central idea is novel, but suspense and thrills are dissipated by indifferent acting and haphazard direction.

It fizzles out like a damp squib ... Harry Fowler scores as spiv Sammy and Patti Morgan has her moments as a hostess, but Tony Quinn unblushingly hams as Hasdane, and so does Sydney Tafler as Hunter.