In further television casting news today, Dennis Quaid and Michael Chiklis have been confirmed for the CBS period drama based on Ralph Lamb, a 1960s rodeo cowboy turned Las Vegas sheriff. Quaid will star as Sheriff Ralph Lamb himself, while Chiklis will star as Johnny Savino, a Chicago mobster with visions of transforming Las Vegas for financial gain. Needless to say, the two characters don’t see eye to eye. Quaid and Chiklis will also be co-executive producers on the project for screenwriter Nicholas Pileggi (American Gangster) and Without a Trace executive producer, Greg Walker. James Mangold (Walk the Line) will direct the pilot.

In other small screen casting news, comedienne Lily Tomlin has signed on to co-star in Reba McEntire’s new comedy pilot for ABC. Hit the jump to see who she’ll be playing.