Dermot Mulroney to Play Major Role on Shameless Season 5

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Dermot Mulroney is headed to Showtime.

According to a network press release, the veteran actor will play a significant role on Shameless Season 5 next year, coming on board the dramatic comedy as a recovering addict named Sean Pierce.

Dermot Mulroney Image

Look for the character to serve as Fiona’s new manager at Patsy’s Pies.

As you might expect, Sean and Fiona's relationship will be full of flirtation and tension, with Showtime asking whether or not they'll be able to "overcome their weakness for each other?"

Our guess? NO.

Mulroney has appeared in over 65 films ,including My Best Friend’s Wedding, Family Stone, Big Miracle, The Grey, About Schmidt, Stoker, jOBS, J Edgar and Zodiac.

On the small screen, he most recently stopped by episodes of Enlightened and New Girl.

Shameless Season 5, meanwhile, kicks off in early 2015.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.

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Shameless Quotes

Get your ass up you goddamn ponytail Fabio motherfucker.


Sean: You took your monitor off yourself.
Fiona: So?
Sean: So, you should have waited for the P.O. and you know it.
Fiona: That's a technicality. You're gonna judge me for that?
Sean: No, I'm not gonna judge you for that. I find it charming as fuck that you took a screwdriver to your monitor. And I find it sexy as hell that you had a bloody lip before lunch today.
Fiona: Are you making fun of me?
Sean: No. It's just you're a chaos junkie, Fiona. And I'm a junkie, junkie. So I love chaos. And when I get into chaos, bad shit follows.