'''Michael O'Hare' (born 6 May 1952 in Chicago, Illinois) is an American actor, best called Jeffrey Sinclair on the science fiction television series Babylon 5''.

O'Hare appeared within the total of theatrical productions in the New York area, including the role of Gap. Jessup in the original stage version of A Few Good Men (the role played by Jack Nicholson in the film version). Around 1992, he was cast in the lead role of Commander Jeffrey Sinclair in the science-fiction television series Babylon 5. O'Hare remained sustaining a series for single 1 fully year, although contrary to far flung rumor, a departure was amicable & a symptom of reciprocal agreement between O'Hare & series producers, including J. Michael Straczynski. O'Hare did reprise his role many days when you took subsequent seasons.