Emily VanCamp joins the cast as Rebecca Harper and is now credited as a series star.

Rebecca: Sorry about, um, interrupting that mid-morning booty call. Maybe you should put a sock on my door or something.
Holly: Saul was just helping me with the coffee machine.
Rebecca: Oh, is that what the senior set is calling it these days?

Justin: It’s so bizarre. We live like, 15 minutes away. That’s practically being neighbors.
Rebecca: Where’d you go to school?
Justin: I started at LaSalle.
Rebecca: Swanky.
Justin: I got kicked out junior year then I finished up at San Marino. What about you?
Rebecca: Marshall. I think we played you in football.
Justin: I didn’t play football.
Rebecca: Oh that’s good, I hate it.
Justin: Uh, Marshall. Did you know a Carter Esther?
Rebecca: Oh, God, totally.
Justin: Yeah, he used to date this girl Rebecca.
Rebecca: Yeah, that was me.
Justin: Okay, I’m officially freaked out. What if we had met? What if we --
Rebecca: Oh, the Greek tragedy of it all!

Saul: Sarah, there’s a problem.
Sarah: (on the phone) Okay, listen fine, but if it’s a complete disaster don’t say I didn’t tell you. (to Saul) What’s the problem?
Saul: It’s your sister.
Sarah: I just got off the phone with her.
Saul: Not Kitty.