William Gerald Paris was an American actor and director best known for playing Jerry Helper, the dentist and next-door neighbor of Rob and Laura Petrie, on The Dick Van Dyke Show, and for directing the majority of the episodes of the sitcom Happy Days.

Police Academy 3: Back in Training is a 1986 American comedy film directed by Jerry Paris. It is the third installment of the Police Academy franchise and the sequel to Police Academy 2: Their First Assignment.