Pendulum is a 1969 American neo noir crime thriller film directed by George Schaefer and starring George Peppard, Jean Seberg and Richard Kiley. It was one of a series of medium budgeted genre movies Peppard made around this time.

Plot

In Washington, D.C., police captain Frank Matthews's career is on the rise, having just been appointed consultant for a powerful U.S. senator. His domestic life, however, is questionable. He suspects his wife of having an affair with an old flame. One evening, after appearing at a political function in Baltimore, Matthews decides not to return home until the following morning. The next day, he is informed by authorities that his wife has been discovered shot to death while in bed with her lover, who was also killed. Soon, Matthews is made aware that his own colleagues, the police, have made him the prime suspect in the case.