|Irish actor and sci-fi veteran Cillian Murphy|
The reader who started the thread hit the bullseye with Murphy, who was inspired by Irish actor Cillian Murphy. I guess that one is pretty obvious - besides the name you've got the blue eyes, dark hair, and charming accent. And he's a sci-fi veteran.
I struggled when searching for a face for Elizabeth's character profile. But then I came across a publicity photo of a young Kate Winslet that really captured her for me (though her hair is the wrong color in this particular photo).
Ian has always had the appearance of Irish singer/songwriter Glen Hansard, in my mind. And there's a trio from BATTLESTAR GALACTICA: Mitchell (Roslin), Lex (Boomer), Sarah (Starbuck). Yasmina was based on Indira Varma (KAMA SUTRA). And Clive Owen for Blake.
Ardagh's appearance was borrowed from a cosmologist and former NASA scientist who spoke at a lecture I attended at the University of Washington. Unfortunately I can't remember his name now.
A few characters were my own fabrication and not inspired by any particular face: Peter, Julia, and especially Garvey, who sprang fully formed - both face and personality - from my mind.
I really enjoy seeing what readers come up with on their own. Someone proposed James McAvoy for Murphy. He is a hottie for sure, and actually inspired the character Ross in my second novel, ECHO 8. I also like Diane Kruger for Elizabeth.
Have an idea for one of the GHOST PLANET characters? Let's hear it!