The Constant Husband(1955)

Charles Hathaway wakes up in West Wales with no recollection of who he is or how he got there. With the help of a Cardiff specialist he traces his life back to his gorgeous wife and their large London house, so all seems well with the world. But more detective work starts to uncover an alarming chain of further stunning wives and a way of going on that the new Charles finds pretty unacceptable.