Robin Thomas Changed his professional name to his birth name Robin Thomas Grossman in 2014 is an American film, television and theater actor.
Thomas' best-known television roles are as Mark Singleton in the soap opera Another World, and as Geoffrey Wells on the 1980s series Who's the Boss?. He has also had recurring roles in series such as Murphy Brown, Matlock, Life Unexpected and The Division. He has appeared in such films as Pacific Rim, About Last Night..., The Contender, Summer School, The Banger Sisters, and Off the Grid. He has appeared in over 90 television series from Misfits of Science, Midnight Caller, Party of Five, Pacific Blue, Queer as Folk, Murphy Brown, Life UnXpected, NCIS, NCIS: Los Angeles, CSI, CSI:Miami, CSI:NY, Criminal Minds, Franklin & Bash, Castle and Cleaners to name a few.