ProofMovie
A small group of friends decide to test the courage of the most frightened guy of the team and such test involves skydiving. Pretending to be reporters doing an article about it, they meet instructor Truman Sparks at his Parachute School, a dopey guy who's willing to help and teach the terrified poor man on how to perform a jump before going to the real thing.
About Proof
Proof is a 1980 comedy movie directed by Kevin Reynolds.
The production information lists a runtime of 24m, production credits from United States of America, an original language code of EN.
The credited cast includes Clifford Martin III, Mark Schwarz, Marvin J. McIntyre, Rick Brent. The synopsis above summarizes the central premise without adding details beyond the available title information.
