Elliott appeared in the TV shows Street Legal and Knots Landing. In 1993 he played Agent Paul Robbins in The Untouchables. From 1994 to 1995 he starred in Melrose Place. Elliott’s best known role came as Harmon “Harm” Rabb on the TV series JAG from 1995 to 2005. He also starred in the TV shows Close to Home, The Guard, Scoundrels, and GCB. He has also appeared in episodes of Mad Men, CSI: NY, Medium, Yes, Dear, and Seinfeld. In 2000 Elliott won the TV Guide Award for Favorite Actor in a Drama for JAG.