Southland: Casting related scoop on season 5 from E! Online's Kristin Dos Santos

Here's some scoop on Southland from Kristin Dos Santos' Spoiler Chat for Friday 11/30/12.

Trent: Southland is the most underrated drama on TV, so I'm surprised I don't get more scoop about it!
We shall take your unsubtle hint and run with it. Southland is currently looking for a big name to appear in more than one episode of the third season as Cooper's training officer. He drinks too much, lives on a boat, and is definitely a little worse for wear. Any ideas on who should play him?

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