Guest Stars Robert Webber as Ikar Co Starring Gail Kobe as Janet Lane Edward Platt as David Hunt Curt Conway as Franklin Karlin Warren Stevens as Professor Eric Plummer Uncredited Mike Lane as Ikar (Alien) Fred Krone as Stunt Eric Fred Stromsoe as Stunt Ikar Hugh Langtry as Alien Soldier #1 Gene Wiley as Alien Soldier #2 Leroy Ellis as Alien Soldier #3
