Guest Stars Lisa Ann Beley voices Iron Man Onboard Computer Catherine Lough Haggquist voices Roberta Rhodes Michael Adamthwaite voices Justin Hammer Donny Lucas voices Mr. Fix Paula Lindberg voices Sasha Peter Kelamis voices Whiplash Ty Olsson voices Killer Shrike Michael Daingerfield voices Unicorn David Orth voices Donnie Gill / Blizzard Michael Adamthwaite voices Titanium Man