Butch Hengen est né le 25 janvier 1948 aux États-Unis. Il était acteur. Il est connu pour Wagon Train (1957) et Dennis the Menace (1959). Il est mort le 5 juin 2006 en Californie, États-Unis.
Robert A. Hengen Jr., aka Butch Hengen, died at age 58 from undisclosed causes in California. He was survived by his loving wife Dale, as well as two stepsons (Ryan and Patrick), his mother (Ruth), his sister (Debby) and his niece (Heather).