Calificación
Reparto

Richard Denning
Dr. Chet Walker

S. John Launer
Capt. Dave Harris

Michael Granger
Frank Buchanan

Gregory Gaye
Dr. Wilhelm Steigg

Angela Stevens
Joyce Walker

Linda Bennett
Penny Walker

Charles Evans
Chief Camden

Tris Coffin
Dist. Atty. MacGraw

Pierre Watkin
Mayor Bremer

Harry Lauter
Reporter #1

Larry J. Blake
Reporter #2

Paul Hoffman
Tom Dunn (uncredited)

Nelson Leigh
Dr. Kenneth C. Norton (uncredited)

Edward Coch
Jason Franchot (uncredited)

Lane Chandler
Gen. Saunders (uncredited)

Don C. Harvey
Lester Banning (uncredited)