Rainn Wilson: Rainn Wilson. Actor: The Office. Rainn Wilson lives in Los Angeles with his wife, fiction writer Holiday Reinhorn (Big Cats), and his son, Walter McKenzie Wilson who was born in 2004. He grew up in Seattle, Washington but graduated from New Trier H.S. in Winnetka, Illinois. After attending both Tufts University and the University of Washington, Rainn studied acting at NYU's graduate acting program and spent years doing theater both...