The Parallax View (1974)

An ambitious reporter, investigating a senator’s assassination, realizes witnesses to the shooting are systematically dying and discovers a multi-million dollar corporation which serves as a front for the recruitment of political assassins.
Alan J. Pakula
Warren Beatty, Hume Cronyn, William Daniels, Paula Prentiss, Kenneth Mars, Kelly Thordsen, Earl Hindman, Anthony Zerbe, Walter McGinn, Jim Davis, Bill McKinney, William Joyce, Bettie Johnson, Doria Cook-Nelson, William Jordan, Ted Gehring, Lee Pulford, Chuck Waters, Alma Beltran, Edward Winter, Stacy Keach, Sr., Ford Rainey, Richard Bull, Jo Ann Harris, Joan Lemmo
tt0071970