Warning Shot

Warning Shot is a 1967 American crime-thriller film directed and produced by Buzz Kulik and starring David Janssen, Joan Collins, Keenan Wynn, Ed Begley, Stefanie Powers, Sam Wanamaker, George Grizzard, Carroll O'Connor, Steve Allen, Eleanor Parker, Walter Pidgeon, George Sanders and Lillian Gish. The screenplay concerns a police sergeant who kills a man while on a stakeout, then must prove that it was self-defense. The screenplay by Mann Rubin was based on the 1965 novel 711 - Officer Needs Help by Whit Masterson.