JR

John Rosenfeld

John Rosenfeld was an actor most commonly known for his memorable roles in television. His acting career began with roles in the series "ER" (1994-2009), "Star Trek: Voyager" (UPN, 1994-2001) and "Buffy the Vampire Slayer" (1996-2003). In the early 2000s, Rosenfeld devoted his time to various credits, such as "CSI: Crime Scene Investigation" (CBS, 2000-2015), "Holiday at Pops 2000" and "Pops Goes the Fourth! 2001" (2000-01). He also worked on "Extreme Days" (2001). He also was featured in the TV movies "McBride: Tune In For Murder" (Hallmark Channel, 2004-05) and "Murder 101" (Hallmark Channel, 2005-06). Rosenfeld most recently acted on "Law & Order: LA" (NBC, 2010-11).
WIKIPEDIA