Donald Mario Stark (born July 5, 1954) is an American actor known for his role as Bob Pinciotti on the Fox Network sitcom That '70s Show for all eight seasons (1998–2006) and fictional Los Angeles Devils owner Oscar Kinkade in VH1's Hit the Floor, Star Trek: First Contact (1996), and John Carter (2012). He also provided the voice of Vincent in Father of the Pride (2004–2005) and voiced Rhino in Spider-Man: The Animated Series (1995-1997).