Sean Penn
Sean Penn plays Eric, a betrayed boyfriend of Phoebe’s twin sister, Ursula. He thinks that his girlfriend is a well-behaved teacher who donates to charity. But Phoebe reveals the truth to him.
Eric and Phoebe start dating but their relationship ends pretty quickly because Phoebe and her sister are so alike in Eric’s eyes.
And the other sister of Rachel? And sexy niece of Ross and Monica?
Oddly enough I actually am a Robot