"I'm imagining it will be a very different tone. She's a great choice. She's a great actress. If she needs my wig, I have it. It's at Snl." Tina Fey is pleased to hear Julianne Moore is to portray one-time U.S. vice-presidential candidate Sarah Palin in a new TV biopic. Fey famously portrayed Palin in a Saturday Night Live skit.