Ross Geller might be a bit of a nerd, but David Schwimmer made his debut as a TV series regular in the show "Monty" opposite the ultimate in cool - Henry Winkler (a.k.a. The Fonz). And Ross might be passionate about paleontology, but Schwimmer's real passion is the theater.

Schwimmer, along with seven other Northwestern University graduates, founded Chicago's Lookingglass Theatre Company--an ensemble of actors, writers, directors and designers dedicated to creating vibrant new works for the American stage. Schwimmer says the company, which is now 20 members strong, "possesses a unique combination of talent, drawing its strength from training in the classics, acrobatics, gymnastics, dance and music." His acting and directing credits for the stage are numerous.

Fans also know David for his film work including the Ivan Reitman film 6 Days, 7 Nights, with Harrison Ford and Anne Heche. Other feature film acting credits include Apt Pupil, adapted from a Stephen King novella; Breast Men for HBO; Kissing a Fool; The Pallbearer; Twenty Bucks; Crossing the Bridge; and Since You've Been Gone, which he also directed.

Unlike Ross, Schwimmer's never been married (or divorced three times). When not working, Schwimmer enjoys playing softball, basketball, ping-pong and poker.