Two and a Half Men Wiki
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Christopher Eugene "Chris" O'Donnell (born June 26, 1970) is an American actor who played Dick Grayson/Robin in Batman Forever and Batman & Robin. In Two and a Half Men, he played the role of Bill, Charlie's ex-boyfriend, in the season 1 episode "An Old Flame With A New Wick". He usually played as G. Callen on NCIS: Los Angeles. Correction: Chris played Charlies ex-girlfriend, not boy friend and did an excellent job.


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