Major William Allison

Robert Clarke

Acting

Princess Trirene

Darlene Tompkins

Acting

The Supreme

Vladimir Sokoloff

Acting

Captain

Boyd 'Red' Morgan

Acting

Gen. Karl Kruse

Stephen Bekassy

Acting

Dr. Bourman

John van Dreelen

Acting

Capt. Markova

Arianne Ulmer

Acting

Col. Marty Martin

Ken Knox

Acting

Air Force Chief

Neil Fletcher

Acting

Dr. Richman

Jack Herman

Acting

Gen. York

William Shephard

Acting

Secretary Lloyd Patterson

James 'Ike' Altgens

Acting

Gen. Lamont

John Loughney

Acting

Col. Curtis

Russ Marker

Writing

Mutant

Tom Ravick

Acting

Mutant

Don Flournoy

Acting

Mutant Escaping from Jail (uncredited)

Arthur C. Pierce

Writing

Guard (uncredited)

Malcolm Thompson

Acting