Ivan Sergei is an American actor best known for his roles in the television series Once a Thief (1996-1998), Jack & Jill (1999-2001) and Crossing Jordan, from 2003-2004.
He also had a major recurring role in Charmed, and acted in the mini-series 10.5 and Hawaii, both in 2004. He had a role in the short-lived series Wednesday 9:30 (8:30 Central), in 2002.
Sergei has made guest appearances on Touched by an Angel, Cybill, Party of Five, Kindred: The Embraced, and Drive; and has acted in the made-for-TV movies Bionic Ever After? (1994), If Someone Had Known (1995), Star Command (1996), The Rockford Files: Friends and Foul Play (1996), Once a Thief (1996), Mother, May I Sleep with Danger? (1996), Santa Baby (2006) and To Love and Die in L.A. (2007).
He has also appeared in the feature films Gunfighter's Moon (1995), Dangerous Minds (1995), Airtime (1998), The Opposite of Sex (1998), Playing Mona Lisa (2000), Scorched (2003) and The Break-Up (2006).
His screen debut was in the 1990 direct-to-video release Ghoul School.
Sergei wrote and directed the 2002 feature film Rebellion, starring Patrick Dempsey. He was the titular star of the mini-series Jack Hunter, in 2008.
He used to date Once a Thief co-star Sandrine Holt but has been married to Tanya Sergei since August 2003.