as Jim
as Jim
as Wilhelm Morello(2 eps)
as Carson Colt (voice)
as Chief Springer(2 eps)
as Doug Sears(1 ep)
as NASA Director Albert Hutchings
as Harold Landsgrove
as Kirk Randall
as Alvin Marsh
as Col. Krug(2 eps)
as Carl Cooper(8 eps)
as Derek Walston(1 ep)
as Mr. Marsh
as Michael
as HR Manager
as Carl
as Gordie Sawchuck(1 ep)
as Pentagon General Hastings
as Adam Fowler
as Max
as Arthur Miller(2 eps)
as Charles Lotts, Sr.(2 eps)
as Gordon
as Ira
as Kenneth Nutter(1 ep)
as Narrator(286 eps)
as Jack
as Morton Danvers(1 ep)
as Dominic Derby
as Dr. Liam Farrell(1 ep)
as Richard Binney(1 ep)
as Elliott Ebbitt III(3 eps)
as Dad
as Globe Editor
as Mark Brenner(1 ep)
as Self - Narrator (voice)(240 eps)
as Narrator(1 ep)
as Phil Chambers(11 eps)
as Publicist
as Max(1 ep)
as Milton(2 eps)
as Harry Davis(1 ep)
as Harris Green
as Harold Carnes
as Steve
as Tony(1 ep)
as Billy Bishop
as Ship's Officer(1 ep)
as Solidier(1 ep)
as Gavin(1 ep)
as John Tapper
as Middle Age Fred Urquhart(1 ep)