Guest Stars Vincent Tong voices Gene Khan / Mandarin Lisa Ann Beley voices Iron Man Onboard Computer Kristie Marsden voices Whitney Stane / Madame Masque Mackenzie Gray voices Obadiah Stane Fred Henderson voices Howard Stark Dean Redman voices Nick Fury Brenna O'Brien voices Rhona Burchill / Mad Thinker Tabitha St. Germain voices Maria Hill Brian Drummond voices O'Brian Chris Britton voices Victor Von Doom / Doctor Doom Tabitha St. Germain voices Prof. Benning