On this day in movie history - Rollerball (1975):

Rollerball,

directed by Norman Jewison,

written by William Harrison,

based on the short story Roller Ball Murder by William Harrison,

was released in the United States on June 25, 1975.

Music by André Previn.

Adagio in G minor by Tomaso Albinoni.

Cast:
James Caan, John Houseman, Maud Adams, John Beck, Moses Gunn, Pamela Hensley, Barbara Trentham, John Normington, Shane Rimmer, Burt Kwouk, Nancy Bleier, Richard LeParmentier, Robert Ito, Ralph Richardson.

On this day in movie history - Killer Force (1976):

Killer Force

aka The Diamond Mercenaries,

directed by Val Guest,

written by Val Guest, Gerald Sanford and Michael Winder,

was released in the United States on January 14, 1976.
Music by Georges Garvarentz.

Cast:

Telly Savalas, Peter Fonda, Hugh O'Brian, Christopher Lee, O.J. Simpson, Maud Adams, Ian Yule, Michael Mayer, Victor Melleney, Richard Loring, Stuart Brown, Marina Christelis, Frank Shelley, Peter van Dissel, Cocky Tlhotlhalemaje, Ian Hamilton, Dale Cutts, Don McCorkindale, Marigold Russell, Frank Douglas, Kevin Basel, Stuart Parker, Albert Raphael, Russell Newman, Clive Scott, Robert Davies, David C. Anderson, Anthony Fridjhon, Giles Ridley.