Guest Stars Richard Thomas as FBI Agent Frank Gaad Lev Gorn as Arkady Ivanovich Zotov Alison Wright as Martha Hanson Annet Mahendru as Nina Sergeevna Krilova Margo Martindale as Claudia Susan Misner as Sandra Beeman Tim Hopper as Sanford Prince Victor Slezak as Lyle Rennhull Paul Fitzgerald as Richard Patterson Co Starring Danny Flaherty as Matthew Beeman Aaron Roman Weiner as Agent Brooks Anthony Arkin as Stavos Matthew Stocke as Technician Jakob Von Eichel as Vadim Zenon Zeleniuch as Russian Doctor