The St. Valentine's Day Massacre Movie (1967) - Jason Robards, George Segal, Ralph Meeker

The St. Valentine's Day Massacre Movie (1967) Trailer - Plot Synopsis: Al Capone's Valentine's Day surprise for the rival Bugs Moran gang in 1929 Chicago.
Director: Roger Corman
Writer: Howard Browne
Stars: Jason Robards, George Segal, Ralph Meeker