The Clock Struck Twelve is the 35th in the Turn Of Fate television short movies and is from 1958 (bottom right image).
Starring Charles Boyer as Dr. Hudson, the film starts with a gunshot and the doctor running away saying he’s just witnessed a murder.
He then behaves in a very strange manner and has to get to a certain place by midnight to prevent a woman being murdered.
It turns out that he’s the murderer and he’s also insane.
The police are waiting for him and they take him away.
Movie pages here.