On the fifth season finale of Numb3rs (Friday, May 15th on CBS), Amita is abducted and the team's frantic search zeroes in on a sociopath as the suspect. James Callis (Battlestar Galactica) guest-stars as Mason Duryea, the prime suspect in Amita's disappearance, and Lou Diamond Phillips (Stargate Universe) returns as Agent Ian Edgerton.
During the aftermath of Dinozzo's confrontation with Michael Rivkin in the season finale of NCIS (Tuesday, May 19th on CBS), the team flies to Israel for a final showdown. Michael Nouri (Damages, The O.C.) reprises his role as Ziva's father, Mossad Director Eli David, and Arnold Vosloo (24, The Mummy) guest-stars as Mossad Officer Amit Hadar.
In the seventh season finale of Without A Trace (Tuesday, May 19th on CBS) the team searches for a man who disappears after a late night dive. Martin Landau (Space:1999, Ed Wood ) reprises his role as Frank Malone, Jack's father.