The cameos continue! The redhead who's overhearing this snippet of physics/biology conversation is Guinevere (specifically, the modern-day version of Guinevere) from Arthur, King of Time and Space. When I originally asked to borrow her, I thought of putting her in the gym scene earlier with the Riot Nrrd people, but I didn't want to muddle things.

And yes, for people who haven't been keeping track, Leftover Soup has been going for two weeks now:
Thursday - Ellen meets Jamie, Jamie moves in.
Friday - Jamie meets Max, RPS Chess, Jamie meets Max again, Spambot.
Saturday - Filthy Hippie, Wallace, D&D.
Sunday - Showerhead, pumpkin bombs.
Monday - Ellen takes a sick day, Jamie takes off his neck brace, Triptych, Pinball.
Tuesday - Pinball dies (around 1 am), conversation re: Lily/asexuality, pesto.
Wednesday - Max offers to sleep with Jamie, gets shot down.
Thursday - Ellen on the job.
Friday - Only one strip (Simon's Spider-man/ASL joke).
Saturday - (late night/early Sunday morning) Jamie gets mugged, D&D group TPKs.
Sunday - Nicole reads auras, Wallace punches Jamie, Dice Farmer.
Monday - Jamie first meets with Leonard.
Tuesday - Search for Max's phone, conversation re: eugenics.
Wednesday - Jamie is a free man, drinking, Truth or Dare.
And that brings us to today, Thursday morning again.