When four geologists who form a combine of five industrial companies turn up dead, the race is on to determine whether the culprit is a group of high-powered industrial interests or the government. A trouble-shooter is hired to find a net of deadly intrigue and treachery. The prize: a field to be leased to private industry by the state.

• Harold Goldman Associates
• John Ericson
• Lola Albright
• Leslie Parrish
• Nehemiah Persoff
• Charles Drake
• Kent Smith
• Don Rickles
• Michael Forest