Chris is best known for his involvement in two of the original Star Wars Trilogy saga, specifically Star Wars: Episode V - Empire Strikes Back and Star Wars: Episode VI - Return of the Jedi 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.

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Chris has also had roles in The Shining, Indiana Jones and The Raiders of the Lost Ark, Quadrophenia, Never Say Never Again, For Your Eyes Only and  The Great Train Robbery.