An FBI agent on vacation in the mountains begins to suspect that a Communist spy ring may be operating in the area.
John Ireland
Ralph Payne
Dorothy Malone
Donna Weeks
Keith Larsen
Ted Noland
Dolores Donlon
Peggy Weeks
John Craven
Dr. Lanson
Susan Cummings
Joan Cochran
Joe Bassett
Chief FBI Agent Malone
Burt Wenland
Burke
