During the executive producers Josh Schwartz and Chris Fedak revealed that actress and sci-fi heroine Linda Hamilton (The Terminator, Terminator 2: Judgement Day) will be joining Chuck in the upcoming 4th season of the show. According to the producers, she will be playing Mary Bartowski, the long-missing mother of Chuck and Ellie.

Linda Hamilton's role will be recurring throughout the season and will throw Chuck into a slew of mysteries and that surround her secretive life.

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The season four premiere of Chuck airs Monday, September 20, at 8 p.m. ET/PT on NBC.