Michael J. Fox jumped at the chance to play a bitter, drug-addicted character on the TV drama Rescue Me - so he could ditch his reputation as Hollywood's 'Mr. Nice Guy'.

The actor plays the disabled love interest of Janet Gavin, the ex-wife of lead actor Denis Leary's character Tommy Gavin, in the gritty firefighter series, and Fox embraced the idea he'd be playing an ill-tempered bad guy.

He says, "People don't often think of me as a bitter misanthrope, so to get to play one, it's too fun to pass up."

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(This news article provided by World Entertainment News Network)