The Sister in Law

Robert and Edward are brothers involved in a web of adultery and deceit. They share Edward's wife and his mistress and a mission to deliver a package of jewels across the Canadian border, but the mission turns out to be deadly.

• 
  Joseph Ruben
• 
  Gillian Gordon
• 
  Robert J. Rosenthal

• 
  John Savage
  Robert Strong
• 
  Will MacMillan
  Edward Strong
• 
  Anne Saxon
  Joanna Strong
• 
  Meridith Baer
  Deborah Holt
• 
  Frank Adonis
  Benjo
• 
  Jonathan Oppenheim
  Fat Man
• 
  Tom Mahoney
  Thin Man
• 
  Jan DeCarlo
  Mrs. Strong
• 
  Jack Cooper
  Mr. Strong
• 
  Larry Sontag
  Hood
• 
  Gillian Gordon
  Lena
• 
  Michael Ruben
  John Strong
• 
  Ray Valente
  Messenger
• 
  Robert Baines
  Literary Agent
• 
  Bruce G. Sparks
  Producer #1
• 
  Carter Stevens
  Producer #2
• 
  Noel Casabona
  Hood
• 
  Lucien Bohbot
  Girl in Cafe