Maxwell is a minor character in the 1971 movie Diamonds Are Forever.
He is one of the CIA agents, who led by Felix Leiter. He and other agents were in Circus Circus to keep an eye on Tiffany Case and the diamonds. But she escaped, thanks to Zambora. After he helped Bond to rescue Willard Whyte. And the end he helped Whyte and Felix to attack Blofeld's headquarter. He is portrayed by Burt Metcalf.