I was very ready to go — I think I'd done as much with the character as I could. And the slightly unique aspect to the show, of two men trying to parent a teenager [Perez is raising his stepdaughter Cassie with her biological father Duncan] and the grief over a dead wife, I didn't want those to become a trope. I thought if we pushed it any further, it might end up a bit clichéd. Plus the fact that Erin Armstrong, who plays Cassie, is 26 now — she's a grown woman!
"There's only so many people you can murder on an island, I didn't want the quality of the show to drop. I felt it was good for us to leave when we did, because I think the quality in the seven seasons that we've done has been remarkably high. And 10 years is also a very big chunk of time to spend doing anything, and I felt like that was enough.