He voiced Santa Claus in the 2007 Disney direct-to-DVD film Pooh's Super Sleuth Christmas Movie and the Big-Nosed Thug in the 2010 Disney animated film Tangled (a role he reprises in Tangled: The Series). He also voiced King Salmoneus in the episode "Hercules and the King of Thessaly" of the Disney animated series Hercules: The Animated Series, Randolph Verascola in The Proud Family episode; "Romeo Must Wed", and Nigel in Sofia the First. Tambor played the Wizard in The Muppets' Wizard of Oz. He also had a guest voice spot on Dinosaurs as Hank Hibler. He also voices Glossaryck the Star vs. the Forces of Evil episode, "Mewberty". He also played Maury Garner in the 1995 film Heavyweights. He will play Roy Preston in Magic Camp.