sentences:  Harold appeared in November 2007 in a guest role on ABC's "Grey's Anatomy" as Shane, a paramedic and white supremacist who is injured in an ambulance crash.Harold joined the cast of "Desperate Housewives" on the fourth season finale May 18, 2008 as Jackson Braddock, Susan Mayer's love interest.Six months after a serious motorcycle accident, Harold returned to play Jackson on the May 3, 2009 episode of the show.