Into Thin Air 1985

Ellen Burstyn stars as Joan Walker, a mother whose college student son vanishes while traveling from Canada to Colorado. When police fail to investigate, Walker takes matters into her own hands. She and her ex-husband begin a search, but when their son's van is found in Maine brandishing stolen plates, they fear the worst. Now, it's up to a private detective to uncover the chilling truth in this absorbing drama based on a true story.

Cast:

Ellen Burstyn
Joan Walker 

Robert Prosky
Jim Conway 

Sam Robards
Stephen Walker 

Nicholas Pryor
Larry Walker 

John Dennis Johnston
Earl Pike 

Patricia Smith
Olga Conway