Peter Nash Lupus Jr. is an American bodybuilder and actor. He is best known for his role as Willy Armitage on the television series Mission: Impossible (1966–73), as well as his appearances in several Italian peplum films under the stage name Rock Stevens.
- Occupation
- actor, American football player, television actor, bodybuilder
- Citizenship
- United States
- Born
- June 17, 1932
