'30 Rock'-er Wants In On Letterman Sandwich

6/17/2009 2:20 PM PDT BY TMZ STAFF
Screw $5 foot-longs, the easiest way to save money on sandwiches: Lift 'em from Letterman!

Outside Dave's studio after his interview, the eternally trucker-hatted Judah Friedlander casually whipped a sandwich out of his back pocket -- one he swiped from craft services.