During WW II, one of the hits of the London stage is a play about a murderer who strangles his victims. The actor who plays the strangler identifies so strongly with his part that when he receives a blow to the head during a bombing raid, he believes that he actually is the strangler.
The Brighton Strangler
After suffering a head injury during the Blitz, an actor comes to believe himself to be the Brighton Strangler, the murderer he was playing onstage.
