The Laughing Policeman (1974)

In San Francisco, California, one victim in a mass murder is a police detective. His partner and a new partner investigate in the city's seamy side.

Director: Stuart Rosenberg

Cast: Walter Matthau, Bruce Dern, Louis Gossett Jr., Albert Paulsen, Anthony Zerbe, Val Avery, Cathy Lee Crosby, Mario Gallo, Joanna Cassidy, Shirley Ballard, William Hansen, Don Borisenko, Paul Koslo, Louis Guss, Frances Lee McCain, David Moody, Ivan Bookman, Clifton James