Deadly Illusion 37 years old

If the killer isn't really a killer... And the victim isn't really a victim... Why do people keep turning up dead?

A private eye hired to kill a man's wife warns her instead and then finds both are impostors.

Credits

Name	Character
Billy Dee Williams He was 50, now 87 years old	as Hamberger
Morgan Fairchild She was 37, now 74 years old	as Jane Mallory / Sharon Burton
Vanity She was 28, 57 years old when she died	as Rina
John Beck He was 44, 75 years old when he died	as Alex Burton

Name	Department
Larry Cohen as Director. He was 46 (77) years old when He died	Directing
Larry Cohen as Writer. He was 46 (77) years old when He died	Writing
Irwin Meyer as Producer.	Production

If the killer isn't really a killer... And the victim isn't really a victim... Why do people keep turning up dead?