In 1969, American International Pictures distributed this film on a double bill with L'occhio selvaggio (1967) (English title: "The Wild Eye").
Italian censorship visa # 61822 delivered on 2 February 1973.
Maury Dexter directed Jocelyn Lane in this film and the following years' A Bullet For Pretty Boy, in which he was a replacement director.
Adam Roarke was in another biker film wherein The Hell's Angels title was either used or played-on: this and Hell's Angels on Wheels (opposite Jack Nicholson). He also starred in the biker flick The Savage Seven.
The last film Maury Dexter directed, in which he was the actual credited director for the entire film, before becoming a TV producer and sporadic director of Little House on the Prairie.