Despite the fact that they work on the set of a (fake) bar, the cast of TBS' new comedy, Sullivan & Son know to keep things professional. But after closing time, all bets are off. Especially if Oasis' "Don't Look Back in Anger" comes on the jukebox.

"We did this DJ junket last weekend, and we all met at this restaurant. I asked the DJ to play it, and myself and the rest of the cast stood around this fountain and sang that song. [Co-star] Owen Benjamin ended up jumping into the fountain and splashing everybody," co-creator, executive producer and star Steve Byrne tells TVGuide.com. "That's when the booze was kicking in."

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• Oasis
• Steve Byrne
• Ahmed Ahmed
• Rob Long
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• Valerie Azlynn
• Eli Stone
• Owen Benjamin
• Sullivan & Son