Trivia: More than 8,000 rounds were used for the climactic shoot-out scene.
Trivia: One of the passengers seen getting off the hijacked bus is the same actor who drove the ambulance and got blown up in the rental car (blue '74 Plymouth).
Trivia: Before Clint Eastwood and Sondra Locke, Steve McQueen and Barbra Streisand were cast as Ben and Gus, but the two of them didn't get on during filming. Eastwood took over the production after McQueen backed out.
