Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
Richard Boone as a man obsessed with conquering the falls. Filmed on location. Lonnie: Michael Sacks. Carl: Randy Quaid. Lois: Jennifer Salt. Tully: Burt Young. Smitty: Les Rubie. Directed by William Hale.