Fuller, who is best known for her work as Alex Karev's intern-with-complications on "Grey's Anatomy," is a few years older than Krosney. The age difference afforded the show the opportunity to retool the family dynamic. Boyd, Kristin's young son, is suddenly a few years older, and is now played by the super-adorable Flynn Morrison.
Additionally, Flynn's previously deadbeat dad, who was played by Nick Jonas in the first season, has been aged up (he's got a 5 o'clock shadow now) and is played by Jordan Masterson. Ryan's role has been expanded and