Peter Nash Lupus Jr. (born June 17, 1932) is an American bodybuilder and actor. He is best known for his role as Willy Armitage on the television series Mission: Impossible (1966–1973).

Lupus was born in Indianapolis, Indiana, to Mary Irene Lambert and Peter Nash Lupus. His father was from Sareen, Lebanon. Lupus attended the Jordan College of Fine Arts at Butler University, where he also played football and basketball, graduating in 1954. He and wife Sharon have a son, Peter Nash Lupus III, who is also an actor.

color, mono, dubbed in English! DVD-R comes packaged as shown in color DVD case, wrapped in plastic!