Shooting Stars (1983) Billy Dee Williams and Parker Stevenson play actors who play detectives who get fired and become detectives.
Bunco (1977) In 1976 Tom Selleck (sans-mustache) and Robert Urich shot a pilot for a detective series.
Real Men (1987) John Ritter and Jim Belushi star in a buddy comedy about CIA agents, aliens, and Russians.
Strike Force (1975) Crime caper written by Sonny Grosso, the real life cop from The French Connection.
Windy City (1984) It's like a The Big Chill meets Annie Hall but with more dudes and only one female character in Chicago.
Heartbreakers (1985) Los Angeles. The 80s. Peter Coyote stars as a struggling artist having relationship problems.