Dennis Quaid Runs 'Vegas'

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Dennis Quaid stars as Sheriff Ralph Lamb on the CBS drama Vegas and the actor dished to ET Canada about the romances and rivalries of the show.
Inspired by the story of the real-life former Sheriff of Las Vegas, the show is set in the 1960s and follows Lamb as he battles notorious gangster Vincent Savino (Michael Chiklis), who's planning a Sin City take over.
In the midst of all the blood sport and gun play, there's also a budding love story between Lamb and Katherine O'Connell (Carrie-Anne Moss).
"The two characters have known each other all their lives," said Quaid. "There's already a relationship there, but where it's going to wind up ... Who knows?"
Watch the video for more. Vegas airs Tuesdays at 10/9c on CBS.