I accept sceptics, you've got to have challenges.

Certainly the format of ghostbusting lends itself to a videogame beautifully.

You look at the floor and see the floor. I look at the floor and see molecules.

I don't like people lying to me. I don't like people who don't return my calls. I don't like people who won't give me a straight answer. I don't like those kinds of people, and I've been vocal about it.

I get offers all the time from film makers, but they are unknown quantities. I don't go there and do experiments.

I love to come in and play with a wig or glasses or clothes. I love using props. I'm from the Peter Sellers school of trying to prepare for the character.

I had a slight touch of Tourette's, which means you talk to yourself and bark and cry out at night.