In A Shot at Glory, McCoist - who is Rangers' leading all-time goal scorer - plays an ageing and temperamental former Celtic striker, McQuillan, who is brought in by Duvall's character McLeod to improve Kilnockie's fortunes despite fears about his temperament on and off the field.

Against the backdrop of the club's American owners threatening to relocate the team to Dublin, McLeod and McQuillan lead the minnows to a Scottish Cup final against Rangers.

Former Celtic midfielder Didier Agathe was cast as a Rangers player and Owen Coyle, who played for several Scottish clubs as a striker, appears in the Kilnockie FC squad.

And in 1999, while filming for the movie took place, Duvall appeared as a studio pundit alongside McCoist on BBC Scotland's Sportscene for the Old Firm Scottish Cup Final. Giving his prediction, the Hollywood actor sat on the fence.

"I'm kind of neutral," he told presenter, Dougie Donnelly.

"It would be wonderful if Rangers won the treble. I just have a feeling that Rangers better be ready because the Celtics are out for revenge."

Rangers won the game 1-0 to deny their city neighbours a single title in...