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Lockdown is the eleventh episode of the second season of The 4400, and the seventeenth episode overall.
Guest Stars: Garret Dillahunt (Matthew Ross), Roger Cross (Major Culp), Jeffrey Combs (Kevin Burkhoff), Kaj-Erik Eriksen (Danny Farrell), Richard Kahan (Marco Pacella), Kavan Smith (Agent Garrity), Tom Verica (Dr. Max Hudson), Jordan Lasorsa-Simon (Isabelle), Hiro Kanagawa (Agent Park), Sean Devine (P.J.), Graeme Duffy (Brady Wingate), Erica Cerra (Molly), Tony Parsons (Paul Beckman), Leanne Adachi (T.J. Kim), Rob Lee (Roger Wolcott), Karen Austin (Sara James), Iris Paluly (Laurel Bryce), Colleen Winton (Ruth), Cheryl Mullen (Olivia Cohen), Daniella Evangelista (Karen), Tyler McClendon (Cartwright), Mark Gibbon (Aaronson), Valerie Sing Turner (Eden Standish)