Dr. Chet Walker

Richard Denning

Acting

Capt. Dave Harris

S. John Launer

Acting

Frank Buchanan

Michael Granger

Acting

Dr. Wilhelm Steigg

Gregory Gaye

Acting

Joyce Walker

Angela Stevens

Acting

Penny Walker

Linda Bennett

Acting

Chief Camden

Charles Evans

Acting

Dist. Atty. MacGraw

Tristram Coffin

Acting

Mayor Bremer

Pierre Watkin

Acting

Reporter #1

Harry Lauter

Acting

Reporter #2

Larry J. Blake

Acting

Tom Dunn (uncredited)

Paul Hoffman

Acting

Dr. Kenneth C. Norton (uncredited)

Nelson Leigh

Acting

Jason Franchot (uncredited)

Edward Coch

Acting

Gen. Saunders (uncredited)

Lane Chandler

Acting

Lester Banning (uncredited)

Don C. Harvey

Acting

Dick Cutting, Radio Broadcaster (uncredited)

Richard H. Cutting

Acting

Gambling Casino Employee (uncredited)

Paul Bradley

Acting

Willard Pearce (uncredited)

Karl 'Killer' Davis

Acting

Tom, Policeman (uncredited)

Terry Frost

Acting

Policeman (uncredited)

Cap Somers

Acting

Police Officer (uncredited)

Tyler McVey

Acting

Bartender (uncredited)

Eddie Foster

Acting

Policeman (uncredited)

Bill Clark

Acting

Pilot (uncredited)

Chuck Hicks

Acting

Creature Who Calls Camden (uncredited)

Dick Crockett

Acting

Creature (uncredited)

George Bruggeman

Acting

Creature (uncredited)

Charles Horvath

Acting

Creature (uncredited)

Boyd 'Red' Morgan

Acting

Creature Vernon Dunn (uncredited)

Michael Ross

Acting