Gerard Butler Sued for Overtime Pay at Korean BBQ Joint

Gerard Butler and a slew of other stars have been sued for allegedly stiffing two former employees out of overtime pay at a Hollywood restaurant the celebs co-own.

The ex-workers -- a cook and a dishwasher -- at Shin BBQ filed the suit today in Los Angeles County Superior Court ... claiming the owners cheated them out of wages, rest time, and meal breaks.

Shin BBQ is a popular Korean barbeque joint in Hollywood ... co-owned by Gerard, Danny and Chris Masterson, Laura Prepon, and several others including Steve Aoki -- whose father Rocky founded Benihana.

The workers are asking for their back pay, other damages, and an order forcing the restaurant owners to open their payroll books.