The 76-year-old, famed for his appearances in Star Trek and X-Men as well as spells on the West End stage, went to see his beloved Huddersfield beat Wolves 1-0 on Tuesday night.
Izzy Brown's 31st minute goal secured Huddersfield's play-off position and left Wolves 15th in the table with games against Derby and Preston still to come.
Stewart, a lifelong Terriers fan who was born in Yorkshire, is now hoping to see the Championship outfit make their way to the Premier League after securing a play-off spot.
After receiving the Empire legend award last month, the actor said promotion would make 2017 a perfect year.
He added: “Huddersfield Town Football Club have to get into the Premiership this season to make my year perfect – so it’s very close.
“But I’m not a chanter, and I have to confess I don’t understand a lot of the chants.
“I will be in Huddersfield in two days’ time and one of my plans is to have them print out for me what those chants are so I can join in.”
The Hollywood star treated the first team to a premiere of his new movie Logan recently at Huddersfield Odeon for players at the end of a training session.