At the tender age of eight, David Rosenbaum began his entertainment career as an actor. Rosenbaum worked on a variety of projects during his early entertainment career, including "Family Business" (PBS, 1982-83) and "The Beast" (1988). His work around this time also included a part on the TV movie "It's Always Something" (ABC, 1989-1990). He also worked in television during these years, including a part on "Law & Order" (NBC, 1990-2010). He also appeared in the Melanie Griffith drama "A Stranger Among Us" (1992). during these years Rosenbaum most recently worked on "Renegade Force" (HBO, 1998-99).