Louis Herthum

Louis Herthum (born July 5, 1956) is an American actor and producer. Herthum has worked as a stage, television, and film actor, and he has also appeared in national television commercials. He is best known for his recurring role as Dep. Andy Broom, the young sheriff of Jessica Fletcher (played by Angela Lansbury) on Murder, She Wrote and Peter Abernathy in the HBO television series Westworld. He portrays Foster on What/If.