Rob Lowe and Ginnifer Goodwin in Killing Kennedy
11/10/2013 at 06:45 PM EST
knows a thing or two about bringing fairy tales to life on Once Upon a Time
. And now, she's ready to conjure up Camelot.
The actress channels Jackie Kennedy opposite Rob Lowe
as the 35th U.S. president in the upcoming TV movie Killing Kennedy
, airing Sunday (8 p.m. ET) on the National Geographic Channel.
Relive PEOPLE's Twitter Q&A with Goodwin, leading up for the premiere of the film based on Bill O'Reilly and Martin Dugard's book, Killing Kennedy: The End of Camelot
. Follow us at @peoplemag
and send us your questions for Goodwin, using the hashtag #AskGinny.
Ginnifer is @ginnygoodwin
on Twitter. You can also check out @natgeochannel
for all the details about Killing Kennedy