Background and career
Donald Martin 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). He has two daughters.
As a child, Stark and his family relocated to Los Angeles, California, settling in the San Fernando Valley. Stark graduated from Grover Cleveland High School in Reseda, California, in 1972. He played football for the school team, and he won leading roles in the theater arts department. He portrayed Marvin Hudgens in Dark of the Moon, Sky Masterson in Guys and Dolls, Tevye in Fiddler on the Roof, and, in an award-winning Shakespeare Festival scene, the title role in Othello. After high school, Stark attended California State University, Northridge, originally studying business before deciding to major in theater arts.
Stark is probably best recognized as Bob Pinciotti, the bumbling next-door neighbor of the Forman family and the father of Donna Pinciotti (Laura Prepon) on the FOX sitcom That '70s Show. Stark's roles in movies include Switchblade Sisters (1975), Tilt (1979), Evilspeak (1981), Peggy Sue Got Married (1986) and The Couch Trip (1988), as well as a small role as a clerk in the comedy film Feds (1988). He has also been a guest on Curb Your Enthusiasm, and had a small role in the Star Trek film Star Trek: First Contact. He had a small role in an episode of Supernatural as a victim of a ghost that had been summoned by ritual to murder. He also guest starred on Viper, Disney Channel's Cory in the House, Stargate SG-1 and CSI. He had a supporting role in the 1996 television series Time Cop. In addition, he appeared in iCarly's movie: iGo to Japan as Freight Dog, the pilot who flies the gang over to Tokyo, Japan. Stark appears in the first episode of the 1987 TV series Beauty and the Beast as one of the attackers who puts Linda Hamilton's character "Catherine" in Central Park where the beast, or "Vincent", played by Ron Perlman, finds her and helps her, which begins the series. He appeared as David in the film My Name is Jerry. He appeared as the Prime Minister of Russia in the episode of Cory in the House, "Air Force One Too Many". He plays the boss, Stan, in the web series Corey & Lucas For the Win. He also provided his voice for Rhino in few episodes of Spider-Man: The Animated Series. One of his more recent appearances was as a mobster in the episode of Castle, "Murder He Wrote". He also had a small, uncredited role as a principal in Anger Management, "Charlie Lets Kate Take Charge". Stark plays the role of Oscar Kincade in the television series Hit the Floor. He played Uncle Frank in the 2015 film Hello, My Name Is Doris. He played Judge Talbertson in the 2017 Scorpion episode, "Who Let the Dog Out ('Cause Now It's Stuck In a Cistern')". Also in 2017, Stark played Bernie Greenfield, a drug-addicted Hollywood executive in There's...Johnny!.
Sources
Net-worth figure: Celebrity Net Worth (October 2026), in USD. Biography and career facts: the person's Wikipedia article and linked reporting. Snapshot date for all StarWorth figures: 28 October 2026.
