Best known for his involvement in the Star Wars Trilogy saga of the late 1970's and early 1980's which includes: Star Wars: Episode V - Empire Strikes Back (1980) and Star Wars: Episode VI - Return of the Jedi (1983) in which he portrayed:

C-3PO (double), K-3PO, E-3PO, R-3PO, 4-LOM, Death Star Droid, Stormtrooper, Snowtrooper, Hoth Rebel soldier and Hoth Snow Speeder pilot.