Human beings, we have dark sides; we have dark issues in our lives. To progress anywhere in life, you have to face your demons.

I didn't drop into the mannerisms of another version of the character, but I guess I was pretty alert to that.

Mars tugs at the human imagination like no other planet. With a force mightier than gravity, it attracts the eye to the shimmering red presence in the clear night sky.

My last two characters have been Denethor and Walter Bishop. Both will be hard acts to follow. That sits in the hands of my managers, at present. I just have no idea what's going to be offered to me.

We shouldn't be put out to pasture just because we've reached somebody's idea of retirement, which was certainly happening in Australia, and I think elsewhere as well.

The international reach of Fringe still catches me by surprise a bit, at times. Also, I was given the gift of a character that is every actor's dream. So, you combine those two factors and it's been an incredibly memorable five years.

As actors, you don't actually need to know the future of the character. You just need to know the backgrounds.