I suppose, when you start up in acting, you hope to be given challenges, and you always have dreams about the things you could do and couldn't do, but normally we get pigeon-holed a little bit, as we go on in our careers.

Walter is incredibly complex. I do a lot of thinking about the work I do, and try to get the rhythms of scenes.

We often get pigeon-holed as a tough guy, or whatever else. I've been pigeon-holed as a heavy and serious, and almost a baddy, but not quite a baddy, over the years of my work in television, particularly.

Many very strong fathers have turned out ineffectual sons by not allowing them to grow as men.

I think the glue that held Fringe together was the relationships.

I always loved the challenge. When something new happened, I always used to get quite excited.

'Fringe' is essentially a love story, so the scenes where Walter had close connection with Peter, but also with Anna's character or Jasika's character, were very special to me.