30 Rock's hilarious John Francis "Jack" Donaghy is played by Alec Baldwin, who has received an Emmy Award, a Golden Globe Award and two Screen Actors Guild Awards for his portrayal of the character.

Jack Donaghy is a cynical, slick, scrupulous network exec with an affinity for overtly backhanded compliments, which are usually directed towards Liz Lemon. Although his first priority is to run a successful business, Jack has struggled in that endeavor at times, and has often shown a human side that even he doesn't fully acknowledge is there.

Jack Donaghy Quotes

There are no bad ideas Lemon, only great ideas that go horribly wrong.

Jack

Liz: Cross-promotional... deal mechanics... revenue streams... jargon... synergy.
Jack: That's the best presentation I've ever heard.

30 Rock Quotes

Oh, oh Ken ... we may have fallen into the intellectual deep end here. And if you try to grab on to me, we'll both drown.

Tracy

I wanna roll my eyes right now, but the doctor said if I keep doing it my ocular muscles might spasm and eject my eyeballs.

Liz