He attended the University of California at Davis,[citation needed] where he pursued a degree in mathematics.
He portrayed the Auctioneer in the Pirates of the Caribbean short film Tales of the Code: Wedlocked.
His other Broadway credits include The Sisters Rosensweig, The Real Thing, and Eminent Domain.
He was also the voice of Kenshiro in the 1986 film, Fist of the North Star and Teknoman Dagger in Tekkaman Blade.
In the video game version of Dante's Inferno, Vickery plays the voice of Lucifer, the main antagonist.