Ben, who played Peter Beale in the primetime soap before leaving last month, embraced the wizardry as he held a magic wand in his hand.
He also had a go at pushing the iconic trolleys through the platform wall. Every fan's dream!
Ben was on a strict protein-only diet at the launch event in preparation for his new role in upcoming action movie, X-Men: Apocalypse, which is scheduled for release in 2016.
It was announced last month that Ben had landed a "key role" in the X-Men movie, as someone "significant to the X-Men universe"!
Ben also spoke about his EastEnders departure at the launch event, saying he bowed out of the BBC One soap on a high and couldn't wait to embark on his new challenge.
Ben was just one of many celebs to check out the brand new Hogwarts Express and Platform 9¾ at the Warner Bros. Studio Tour London. He was joined by Lucy Mecklenburgh and her boyfriend Louis Smith, as well as, Kimberly Wyatt, who came along with her baby daughter Willow.
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What's in this week's Inside Soap?! Soap spoilers!