All Cast
Glenn Ford
Prof. Andrew 'Andy' Patterson
Rosemary Forsyth
Vivian Masters Patterson
Dean Jagger
Chad Harmon
Maurice Evans
Harry Masters
Will Geer
Mike Patterson
Eduard Franz
Dr. Konstantin Horvathy
William Conrad
Bart Harris
Robert Pine
Phillip Dunning
William Smithers
Dr. Jerry Fielder
Logan Field
Thaddeus Burns
Dabney Coleman
Agent Shepard
Scott Graham
Weber
James McEachin
Police Detective
Robert Clarke
Dr. Louis Bauier (uncredited)
Lisabeth Hush
Betty Fielder (uncredited)
