Matthew Lewis signs autographs for fans following the Canadian premiere of "Harry Potter and the Deathly Hallows: Part 2" in Toronto. (Darren Calabrese/AP)

“It was fantastic,” Lewis said of his Wednesday night sightseeing. The 22-year-old actor said he visited the British Embassy, where he met the ambassador, and drove by the White House. “I think everyone was asleep,” he joked.

Check back in Friday for the full interview with the actor, in which he discusses his big role in the last “Potter” film, how he feels about being called “hot” in the press and the time he got a yellow bell pepper from a fan.

In the meantime, watch Lewis at the Georgetown premiere of the film after the jump.

More “Harry Potter” coverage from The Washington Post :

Quiz: Are you a ‘Harry Potter’ expert?

Tracy Grant:The Harry Potter generation’s years of waiting are over

Photos: Wild about Harry!

Photos and video: ‘Harry Potter’ premiere in New York