Guest Stars Sonny Caldinez as Ice Warrior Steve Peters as Ice Warrior Tony Harwood as Ice Warrior Philip Ray as Eldred John Witty voices Computer Voice Alan Bennion as Slaar Ronald Leigh-Hunt as Radnor Louise Pajo as Gia Kelly Terry Scully as Fewsham Christopher Coll as Phipps Ric Felgate as Brent Derrick Slater as Security Guard