Connor Buckley and Claudia Lee have been cast in the Fox pilot “I Suck at Girls.”Comedy, from Warner Bros. TV, will star Buckley as athletic high school freshman Frankie Dunlevy, who is normally a wallflower but has undergone a growth spurt and has suddenly grabbed the attention of the opposite sex. Lee will play Frankie’s sister Rachel, a straight-A student who has an independent streak but, clearly, still has a strong emotional bond with her mom. Show is exec produced by Bill Lawrence, Justin Halpern and writer Patrick Schumacker. Buckley is repped by agency CESD and manager Robert Stein. Lee is repped by Paradigm and manager Joanne Hororwitz and Strong Management.