Alvin Chea

Sarah Silverman: Jesus Is Magic

Character: Sarah's Sphincter (voice) (uncredited)

Release date: 02/11/2005

License to Wed

Character: St. Augustine's Choir

Release date: 07/04/2007

Metamorphosis: The Design and Beauty of Butterflies

Release date: 06/01/2011

Flight: The Genius of Birds

Character: Narrator

Release date: 01/01/2013

Living Waters

Character: Narrator

Release date: 01/01/2015