Sean Connery portrays Marshal William T. O'Niel, the lawman dealing with corruption on a mining colony.
Peter Boyle plays Mark Sheppard, a key figure in the mystery unfolding on the space station.
Frances Sternhagen takes on the role of Dr. Lazarus, a medical professional on the outpost.
James B. Sikking is Sgt. Montone, a member of the security team working under O'Niel.
Kika Markham portrays Carol O'Niel, offering a glimpse into the personal life of Marshal O'Niel.
Clarke Peters plays Sgt. Ballard, another member of the security team alongside O'Niel.
Steven Berkoff appears as Sagan, a character intertwined with the events unfolding on the station.
John Ratzenberger takes on the role of Tarlow, a figure possibly connected to the central conflict.
Nicholas Barnes plays Paul O'Niel, a character who may have familial ties to Marshal O'Niel.
Manning Redwood portrays Lowell, a person on the station who becomes embroiled in the unfolding drama.
Marc Boyle appears as Nicholas Spota, a character with a role to play in the story's developments.
Pat Starr is Flo Spector, a character who adds depth to the environment on the mining colony.
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