1-4] - Chuck [season

: Led by CIA Agent Sarah Walker and NSA Major John Casey.

: Morgan Grimes, Chuck's loyal but often oblivious partner-in-crime. Season Summaries Chuck [Season 1-4]

Chuck Bartowski, a ~26-year-old Buy More employee, becomes an accidental asset for the CIA and NSA. : Led by CIA Agent Sarah Walker and NSA Major John Casey

: Establishes Chuck’s new life as a human computer. He balances his retail job with high-stakes missions while dealing with early recurring characters like Bryce Larkin and Lou Palone. : Establishes Chuck’s new life as a human computer

: The focus shifts to family secrets. Chuck and Morgan go rogue to find Mary Bartowski (Chuck's mother, played by Linda Hamilton). The team faces the threat of Alexei Volkoff and Volkoff Industries. Key Guest Stars (Seasons 1-4) Role Notes Alexei Volkoff Timothy Dalton Major Season 4 antagonist Hannah Kristin Kreuk A brief romantic interest for Chuck in Season 3 T.I. Dave Bautista Appeared as a mercenary Roan Montgomery John Larroquette A legendary, albeit washed-up, spy

: Chuck officially trains to become a "real" spy. This season introduces Daniel Shaw (Brandon Routh) as a mentor/rival and sees Chuck and Sarah finally solidify their relationship.

: Ellie Bartowski (Chuck's sister) and her husband, Devon "Captain Awesome" Woodcomb.