The actor, who played charismatic politician Clay Davis in the award-winning HBO blockbuster series tweeted his support for The Warriors.
He tweeted: “Big game at Cowdenbeath this Saturday. Let’s get it done Warriors!”
It is not the first time Whitlock Jr has tweeted his support of the team, previously tweeting a US Scottish football fan who was watching Dunfermline v Hearts “When they’re playing Stenhousemuir, let me know”
Last year the Ochilview club extended an invite to Cars 3 actor to visit the club’s home ground and offered to send him a football shirt in the club colours.
They tweeted: “We look forward to welcoming you to the club. This calls for a selfie with a Warriors shirt – what size?”
The club currently sit 9th in Scottish League 2 on having won just one match this season. Cowdenbeath are bottom on goal difference.