Trivia

Pamela Tiffin said she was very fond of Franco Nero because he helped her keep the director from filming her bare breasts during their sex scene. They were both shirtless and he would make sure to put his arms between her breasts and the camera in each shot which really frustrated the director.

Frank Sinatra originally bought the rights as a vehicle for himself in 1969.

There's actually a Deaf Smith County in Texas, just west of Amarillo, named after the real-life character played by Anthony Quinn.

Originally, Marisa Mell was cast in the Ira von Fürstenberg role.

The Movie was also released under the title "Deaf Smith and Johnny Ears"