Trailer
Cast
Michael Granger
Frank Buchanan
Gregory Gaye
Dr. Wilhelm Steigg
Tristram Coffin
Dist. Atty. MacGraw
Richard H. Cutting
Dick Cutting, Radio Broadcaster (uncredited)
Richard Denning
Dr. Chet Walker
Angela Stevens
Joyce Walker
Larry J. Blake
Reporter #2
Nelson Leigh
Dr. Kenneth C. Norton (uncredited)
Karl 'Killer' Davis
Willard Pearce (uncredited)
Tyler McVey
Police Officer (uncredited)
S. John Launer
Capt. Dave Harris
Charles Evans
Chief Camden
Pierre Watkin
Mayor Bremer
Michael Ross
Creature Vernon Dunn (uncredited)
Terry Frost
Tom, Policeman (uncredited)
Boyd 'Red' Morgan
Creature (uncredited)
Cap Somers
Policeman (uncredited)
Chuck Hicks
Pilot (uncredited)
Charles Horvath
Creature (uncredited)
Lane Chandler
Gen. Saunders (uncredited)
Don C. Harvey
Lester Banning (uncredited)
Linda Bennett
Penny Walker
Harry Lauter
Reporter #1