Born in Ocala, Floria, Mark Collier is a graduate of Georgia Southern University. He made his television debut in 1999 on the now-defunct soap Sunset Beach. Since then he's guest starred on a few television series and has done some film and theater work. He also recently appeared (as one of the jilted grooms) in the video for the Dixie Chicks' song "Ready To Run."

After living in Los Angeles for four years, Mark relocated to New New York City where he won the part of Mike Kasnoff. CSI: Miami
Daniel Nash
2008

As The World Turns
Mike Kasnoff
July 2, 2002 to January 26, 2007; November 12 and November 13, 2009

Arrest and Trial
Officer Andersen
2001

Beverly Hills, 90210
Mitch Fields
19 April 2000
5 April 2000

Sunset Beach
David, the Bartender
1999 Lovers and Strangers

Lone Star

Children's Crusade

Six Degrees of Separation

Daytime Emmys Pre-Nomination, Outstanding Supporting Actor (2004) PLACE OF BIRTH: Ocala, Florida
DATE OF BIRTH: May 27, 1971
HAIR: Black News Archive: Mike Kasnoff set to return to Oakdale. [Jun 3, 2002]
News Archive: Leyden, Collier to make New Year's exit from ATWT. [Nov 27, 2006]
News Archive: ATWT moving ahead with plans to bring back Mike. [Feb 25, 2008]
News Archive: Three male vets headed back to Oakdale. [Sep 14, 2009]