Jim Benedict
Col. Matthews
June
Dr. A.A. Andrews
Dave
Kim
Dr. Easton (as Edward C. Platt)
Space Ship Crew
Space Ship Crew
Space Ship Crew
Prof. Logan
Sen. Royce
Technician (uncredited)
Member of Senate Investigating Committee (uncredited)
Technician (uncredited)
Mr. Duffy (uncredited)
Technician (uncredited)