Cast
Dr. Pat Blake
Dr. Stuart Kelston / рассказчик
David MacLean
Mr. George MacLean
Mrs. Mary MacLean
Col. Fielding
Sgt. Rinaldi
Sgt. Baker
Capt. Roth
Kathy Wilson
Mrs. Wilson, not listed in creditsа
Kelston's Secretary, not listed in creditsа
Brainard - Wilson's Aide, not listed in credits
Old Cop Blaine Who Vanishes, not listed in creditsMutant, not listed in credits 
MP, not listed in credits
Mutant, not listed in credits
Mr. Turner, not listed in credits
Gen. Mayberry, not listed in credits
Police Chief A.C. Barrows, not listed in creditsLt. Blair, not listed in credits Maj. Clary, not listed in credits Martian, not listed in credits 
Jim - Gas Station Attendant, not listed in credits
Tall Cop Jackson Who Vanishes, not listed in creditsMutant, not listed in credits Mutant Carrying David to 'Intelligence', not listed in credits Mutant, not listed in credits Mutant Carrying Dr. Blake to 'Intelligence', not listed in credits Martian Intelligence, not listed in creditsа 
Police Desk Sgt. Finlay, not listed in credits
Dr. Bill Wilson, not listed in creditsMutant, not listed in credits 
Pentagon Chief of Staff, not listed in creditsMutant, not listed in credits Producers
ассоциированный продюсер (in credits: Edward L. Alperson Jr.) 
