Nathaniel Marston (born July 9, 1975) is an American actor. Marston appeared as Eddie Silva on the CBS soap opera As the World Turns from 1998 to 2000. The role earned him a Soap Opera Digest Award nomination for "Outstanding Male Newcomer." He next portrayed Al Holden on the ABC soap opera One Life to Live from 2001 to 2003, and then played Dr. Michael McBain on the series from 2004 to 2007. Previously, Marston was a regular on the prime time series Matt Waters in 1996, and had a small role in the 2002 cable television movie Monday Night Mayh…