Sheridan Smith stars in BBC thriller "The Cage" as a casino worker in Liverpool.

Sheridan Smith stars in BBC’s new crime drama "The Cage," a five-part thriller set in a Liverpool casino. She plays Leanne alongside Michael Socha as gambling-addicted manager Matty. Their lives collide after both begin stealing from the workplace, leading them into a dangerous confrontation with the casino's ruthless owner, played by Barry Sloane.