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Babylon 5 Star Michael O'Hare Dies

Michael O'Hare, who played Commander Jeffrey Sinclair on Babylon 5, died Friday after suffering a heart attack five days earlier. He was 60.

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Liz Raftery

Michael O'Hare, who played Commander Jeffrey Sinclair on Babylon 5, died Friday after suffering a heart attack five days earlier. He was 60.

J. Michael Straczynski, who created the series, announced the news via Facebook. "I regret that I must convey the sad news that Michael O'Hare passed away today," Straczynski wrote Friday. "He suffered a heart attack on Sunday and was in a coma until his passing this afternoon. This is a terrible loss for all B5 fans and everyone involved with the show wishes to convey their condolences to the O'Hare family. He was an amazing man."

See other celebrities we've lost this year

O'Hare was a regular on Babylon 5 in the first season, and appeared as Sinclair in Seasons 2 and 3 of the series as well. He also appeared in the original Broadway production of A Few Good Men, and his other television credits included Law & Order, L.A. Law and One Life to Live.