Alan Alda

The closer I get to retirement, the more I feel it will be a huge change, a shock, because athletics has been the core of my whole life. I know I'll miss the feeling of running fast, the adrenaline rush, and hearing the crowd cheering me on.

I haven't modelled since I was 12 - that was a one-time thing, and I did it as a kid to make a little money to save up for university. Acting is my first love as well as writing and eventually producing and directing.

I studied writing at university, and I actually majored in screenwriting. Then I went to work as a bookseller and then as a sales rep and publicist and then various editorial jobs until I ended up with HarperCollins in Australia.