Robin Thomas is an American film, television and theater actor, and sculptor. He changed his professional name to his birth name Robin Thomas Grossman in 2014 but returned to "Robin Thomas" in 2015.


Thomas' best-known television roles are as Mark Singleton in Another World (1983–85), and as Geoffrey Wells on Who's the Boss?. He had recurring roles in series such as Murphy Brown, Matlock, Life Unexpected, and The Division. He appeared in such films as Pacific Rim, About Last Night..., The Contender, Summer School, and The Banger Sisters. He has appeared in such television series as Misfits of Science, Midnight Caller, Party of Five, Pacific Blue, Queer as Folk, Murphy Brown, Life Unexpected, NCIS, NCIS: Los Angeles, CSI: Crime Scene Investigation, CSI: Miami, CSI: NY, Criminal Minds, Franklin & Bash, Castle, Manhattan, Fuller House,and Crazy Ex-Girlfriend, among others.

Personal life

Born in Carlisle, Pennsylvania, Thomas attended the Mercersburg Academy and graduated in 1967. Thomas earned a BFA from Carnegie-Mellon University where he was accepted into the drama department as an actor. Transitioning in his junior year to Sociology dept., he graduated from the Art department with a major in sculpture. Upon graduation he moved to New York.

Thomas spent his early years in New York as a sculptor, creating kinetic works employing plexiglas, stainless steel, teflon, water, oil, air, pumps, motors, and lights. His works were exhibited at the Huntsville Museum of Art, The Three Rivers Arts Festival, and at various galleries in SoHo. He was invited to create works for Tiffany's windows, NYC for two consecutive years. While in NY he started a construction company renovating lofts and apartments to augment his income as an artist


  • Pacific Rim (2013)
  • Cleaners (2013)
  • Rizzoli & Isles (2012) (TV)
  • Switched at Birth (2011–2012)
  • NCIS: Los Angeles (2011)
  • Franklin & Bash (2011)
  • 90210 (2011–2013) (TV)
  • Castle (2009) (TV)
  • Ambulance Girl (2005) (TV)
  • Clockstoppers (2002)
  • The Banger Sisters (2002)
  • Halloweentown II: Kalabar's Revenge (2001) (TV; via footage from "Halloweentown")
  • The Contender (2000)
  • Horse Sense (1999) (TV)
  • Halloweentown (1998) (TV)
  • Star Maps (1997)
  • Break Up (1998)
  • Amityville Dollhouse (1996) (video)
  • Jade (1995)
  • Svengali (1993) (TV)
  • Me and the Kid (1993)
  • Memories of Murder (1990)
  • Summer School (1987)
  • About Last Night (1986)