I've actually usually been wary of taking on science fiction as an actor because it's really tough to do. It's really difficult to execute. There's often lots of prosthetics, green screen and special effects, and it can get very technical.
For my money, if I'm playing anything then it has to have some sharp angles on it. It's got to have some edges that you can cut yourself on, otherwise it's boring.
A character, their ability or inability to laugh at themselves should always be a very, very conscious choice. It's a very big key to the nature of a human being.
Comedy has to be so much cleaner than drama. You can't layer it in the way you can a dramatic performance. Which is why it's more difficult than drama - you don't have so many tricks.
Money is tighter now, with the advertising dollar spread a lot more thinly across a whole range of media because of the Internet. It means the television networks have less power to produce shows, and TV is where most Australian actors make their money.