For Star Trek, Ballas worked on the character Keenser, portrayed by Deep Roy, and a Talosian who was ultimately deleted from the final movie. [1] Ballas spent four years as a make-up artist on the cult television series Mystery Science Theater 3000 and supplied make-up effects for the 1996 feature film spin-off of that show. He also worked on five films starring Arnold Schwarzenegger: Jingle All the Way, Batman & Robin, End of Days, The 6th Day, and Collateral Damage.