The Gauntlet (1977)

Director: Clint Eastwood
Cast: Bill McKinney, Carole Cook, Clint Eastwood, Mara Corday, Michael Cavanaugh, Pat Hingle, Sondra Locke, William Prince

Synopsis:

Phoenix cop Ben Shockley is well on his way to becoming a derelict when he is assigned to transport a witness from Las Vegas. The witness turns out to be a belligerent prostitute with mob tiesand incriminating information regarding a high-ranking figure.