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 Kelley Jakle as Janice Keller Jack Guzman as Team Leader Stevin Knight as Thug #1 Desean Terry as Agent Bates Sean Patrick Murphy as Agent Llyod Martin Thompson as Tower Chief David Burr as Gordon Tooley Jake Regal as Randy