The Big Bang Theory features some of the galaxy's most beautiful women. The main cast includes Kaley Cuoco, Johnny Galecki, Jim Parsons, Simon Helberg and Kunal Nayyar. The cast has all been praised for their performances in the series.15.Kaley Cuoco – Penny

14. Mayim Bialk – Amy Farrah Fowler

13.Melissa Rauch – Bernadette Rostenkowski-Wolowitz

12. Sara Gilbert – Leslie Winkle

11.Alessandra Torresani – Claire

10. The Cast

9. Aarti Mann – Priya Koothrappali

8. Laura Spencer – Emily Sweeney

7.Alessandra Torresani – Princess Leia

6. Melissa Rauch - Too Hot To Handle

5.Kaley Cuoco – Red Hot

4. Mayim Bialik – Sweet Smile

3. The Hottest Girls In The Room

2. Melissa Rauch – Peek-A-Boo

1. Kaley Cuoco – Kryptonite