Shooting Stars (1983) Billy Dee Williams and Parker Stevenson play actors who play detectives who get fired and become detectives.
For Heaven’s Sake (1979) Ray Bolger (Scarecrow from Wizard of Oz) as an angel who meddles in the affairs of humans.
Bunco (1977) In 1976 Tom Selleck (sans-mustache) and Robert Urich shot a pilot for a detective series.
Strike Force (1975) Crime caper written by Sonny Grosso, the real life cop from The French Connection.