Mark Deklin is an American actor and fight director. He starred in the shortlived television series Lone Star and GCB , and in 2014 began starring opposite Ana Ortiz in the Lifetime comedydrama Devious Maids as Nicholas Deering.
Deklin was born in Pittsburgh, Pennsylvania. He graduated from Thomas Jefferson High School in 1986. He holds a B.A. in English and History from the Pennsylvania State University, an M.F.A. in acting from the University of Washington in Seattle, and is a certified member of the Society of American Fight Directors.