On the sunless moon Io, Marshall William T. O’Niel goes toe-to-toe with the corrupt manager of a mining colony and his gang of roughnecks while investigating a rash of worker suicides.
Sean Connery
Marshal William T. O'Niel
Peter Boyle
Mark Sheppard
Frances Sternhagen
Dr. Lazarus
James B. Sikking
Sgt. Montone
Kika Markham
Carol O'Niel
Clarke Peters
Sgt. Ballard
Steven Berkoff
Sagan
John Ratzenberger
Tarlow
