Alec Baldwin has already romanced Edie Falco and Salma Hayek on 30 Rock.

What beautiful, big-name actress is next on Jack Donaghy's list?

Unless our eyes deceive us, it's a four-time Oscar nominee. Julianne Moore was spotted on the 30 Rock set this week:

No word yet on exactly what role Moore would play, but if she's involved in scenes with Donaghy, no doubt she'll be hilarious.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.