An honest marshal in a corrupt mining colony on Io, Jupiter's sunless third moon, is determined to confront a violent drug ring even though it may cost him his life. After his wife angrily deserts him, he waits alone for the arrival of killers hired by the company to eliminate him.
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
Nicholas Barnes
Paul O'Niel
Manning Redwood
Lowell
Marc Boyle
Nicholas Spota
Pat Starr
Flo Spector
Hal Galili
Officer Nelson
Angus MacInnes
Hughes
Stuart Milligan
Walters
Eugene Lipinski
Cane
Norman Chancer
Officer Slater
Richard Hammar
Russel Yario
Isabelle Lucas
Nurse
James Berwick
Worker at Table
Sharon Duce
Hooker
Ron Travis
Officer Fanning
Bill Bailey
Officer Hill
Angelique Rockas
Maintenance Worker
P.H. Moriarty
Hitman #1
Gary Olsen
Worker #1
Chris Williams
Caldwell
Rayner Bourton
Anni Domingo
Julia Depyer
Nina Francoise
Brandon Hughes
Norri Morgan
Jude Alderson
Female Prostitute - Leisure Club Sequence (as Judith Alderson)