Molly Quinn: 'Castle' Returns September 24th!

Check out Molly Quinn in the new Castle promo pics!

The 18-year-old actress stars on the hit ABC series as Alexis, the daughter of the title character (played by Nathan Fillion) and recently chatted with TVLine about what’s ahead.

“I know she’s going to be more busy with college and they’re going to introduce more college life into it [the storyline], maybe a little romance with a professor, we’ll see…” Molly hinted.

Castle returns on Monday, September 24th @ 10PM ET/PT on ABC.