A successful professor has his life disrupted by a secret from his past — in his college days he became a member of a powerful secret society, and now the society has a job for him.
Glenn Ford
as Prof. Andrew 'Andy' Patterson
Rosemary Forsyth
as Vivian Masters Patterson
Dean Jagger
as Chad Harmon
Maurice Evans
as Harry Masters
Will Geer
as Mike Patterson
Eduard Franz
as Dr. Konstantin Horvathy
William Conrad
as Bart Harris
Robert Pine
as Phillip Dunning
William Smithers
as Dr. Jerry Fielder
Logan Field
as Thaddeus Burns
Dabney Coleman
as Agent Shepard
Scott Graham
as Weber
