What actors and actresses appeared in Into Thin Air - 1985?

There is no movie called "Into Thin Air - 1985."

"Into Thin Air" is a non-fiction book by Jon Krakauer about the 1996 Mount Everest disaster, published in 1997. It was adapted into a documentary film in 1998, but there is no fictional film with that title from 1985.

There may be a misunderstanding about the title or year. Perhaps you're thinking of a different film?