In The Right Stuff, Levon Helm is the narrator, and co-stars as an aeronautical engineer who was highly respected among fellow test pilots, including who?
The Right Stuff (film):  Levon Helm is the narrator in the introduction and elsewhere in the film, as well as having a co-starring role as Air Force test pilot Jack Ridley. Jack Ridley (pilot):  He was highly respected among fellow test pilots, most notably Chuck Yeager, for his engineering skills.
i don't know