Gallery: Happy Birthday, Ron! 10 things you always wanted to know about Rupert Grint (BANG Showbiz)"Every time I wanted to move, I'm a very physical person, a very full-bodied actor, and to only be a chair and having to express ended up doing a number on me as we got farther and farther into the story. "Stillness is one thing, but then being trapped is another thing, and it brought out a lot of feelings in me and reveals a lot about this character too.