A 4400 terrorist releases a signal at NTAC that makes the men violent, forcing a lockdown of the facility. Lilly questions how the Centre is handling her daughter, and Shawn tries to recruit a familiar face.
Gastrollen:
Kaj-Erik Eriksen(Danny Farrell), Kavan Smith(Agent Garrity), Jeffrey Combs(Kevin Burkhardt), Richard Kahan(Marco Pacella), Daniella Evangelista, Garret Dillahunt, Roger Cross, Tom Verica, Hiro Kanagawa, Erica Cerra, Rob Lee, Leanne Adachi(Nurse), Graeme Duffy(Brady Wingate), Sean Devine(P.J.), Tony Parsons(Paul Beckman), Karen Elizabeth Austin(Sara James), Iris Paluly(Laurel Bryce), Colleen Winton(Ruth), Cheryl Mullen(Olivia Cohen), Tyler McClendon(Cartwright), Mark Gibbon(Aaronson), Valerie Sing Turner(Eden Standish)