Karl Diedrich Bader (born December 24, 1966), better known as Diedrich Bader, is an American actor and comedian. He is best known for his role as Oswald on The Drew Carey Show.
Bader was born in Alexandria, Virginia, the son of Gretta, a sculptor, and William Bader, a foundation executive who worked in politics. At the age of two, his family moved to Paris, France, but he returned to the U.S. to attend Groveton High School; graduated from T.C. Williams High School in (Alexandria, Virginia) and later college at the North Carolina School of the Arts.
Bader is married to actress Dulcy Rogers with whom he has two children.
After a few guest roles on popular television series such as The Fresh Prince of Bel-Air, Star Trek: The Next Generation, Quantum Leap and Cheers, Bader's first major role was in the 1993 series Danger Theatre, playing The Searcher. He moved into cinema acting for the 1993 movie version of The Beverly Hillbillies, but returned to TV, playing Oswald on The Drew Carey Show starting in 1995.
Having a deep and easily-recognizable voice, Bader is a natural choice for a voice actor and has had roles in such animated features as Ice Age, The Simpsons, Buzz Lightyear of Star