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Starred as Sky Masterson in the 1992 Broadway revival of the musical Guys and Dolls. It also starred Nathan Lane. Attended Tufts University. He sang in a group called the Beelzebubs, which is a "mini rock choir" (a capella group) at Tufts. [1973-1977] Was a considered for the role of Ethan in "Supergirl (1984)" Attended Byram Hills High School in Armonk, New York Sandy Cohen, Gallagher's character on The O.C., was ranked #25 in TV Guide's list of the "50 Greatest TV Dads of All Time" [20 June 2004 issue]. Is an avid golfer. Attended the Best In Drag Show in Los Angeles which raised $150,000 for AIDS afflicted. The show's Producer/Director was Tom Perdoe. [2004] Despite having the same last name, all being musically talented, and all having the trademark "Gallagher eyebrows," he is not related to Liam or Noel Gallagher from British rock-group Oasis. Was nominated for Brodway's 1986 Tony Award as Best Actor (Featured Role - Play) for a revival of Eugene O'Neill's "Long Day's Journey into Night." Children: Jamey and Kathryn.