Guest Stars Riley B. Smith as Ralph Dineen Glenn Keogh as Sean O'Brien Carla Toutz as Louise O'Brien Anthony Skordi as Nemos Gianakos Alimi Ballard as Co-Pilot Ernie Hudson as Brooks Patrick St. Esprit as Captain James Pike Co Starring Daniel Zolghadri as Young Walter Emily Robinson as Young Peg Jack Guzman as Team Leader Desean Terry as Agent Bates David Burr as Gordon Tooley Sean Patrick Murphy as Agent Llyod Martin Thompson as Tower Chief Jake Regal as Randy Kelley Alice Jakle as Janice Keller Stevin Knight as Thug #1