He began his career in the 1980s comedy series Valerie (1987) as David Hogan's (Jason Bateman) nerdy friend Bert.
[1] Witting began acting by joining Richmond Hill High School drama club in Queens, where he was encouraged by Alfred Christie,[1] a teacher who ran Hampton Playhouse in Hampton Beach, New Hampshire.
[1] Witting has appeared in several other TV series and films, including Batman Returns (1992), Hoffa (1992) and Shutter Island (2010).
Witting also played the main role in a full motion video game for the Sega Mega CD called Wirehead.
[3] Witting met his wife, Renee Rogers, while she was an apprentice at the Hampton Playhouse.