Hollywood celebrities have turned their attention to Georgia, where a 30-year-old documentary film producer running as a Democrat is attempting to wrestle away a historically Republican district.

Eighteen candidates are running to replace former Republican Rep. Tom Price, who accepted President Donald Trump’s offer to serve as secretary of the Department of Health and Human Services.

While four Republican candidates have emerged as potential contenders, Jon Ossoff, a 30-year-old film producer and former congressional staffer, has quickly risen to be the national Democrat Party’s candidate to win Georgia’s 6th congressional district. (RELATED: Voting Machines Stolen In Atlanta Just Before Special Election)

A-list celebrity Samuel L. Jackson asked Georgia voters to “stop Donald Trump,” in a minute-long radio ad that has been playing in the northern Atlanta suburbs leading up to Tuesday’s vote.

“Stop Donald Trump, the man who encourages racial and religious discrimination and sexism,” Jackson said in the ad paid for by the Democratic Congressional Campaign Committee.

WATCH:

A handful of other celebrities also endorsed Ossoff via Twitter.

Actress Alyssa Milano took to Twitter, reminding her 3.1 million followers that “today is the day” to “flip the 6th.”

Go out and vote your Ossoff in GA 6th! https://t.co/KC15JgFS0z

— George Takei (@GeorgeTakei) April 18, 2017

Comedian Chelsea Handler mistakenly thought that Georgia’s special election was April 11, telling her 7 million Twitter followers to vote for Ossoff last Tuesday, one week before the actual election.

Special elections today in Georgia. Vote for @JonOssoff in Georgia. He’s our man. — Chelsea Handler (@chelseahandler) April 11, 2017

Handler was sure to remind her followers living in Georgia’s sixth to vote on the correct day.

For everyone in Georgia’s 6th district, tomorrow is a big day. Pls get out and #VoteYourOssoff. Let’s send a message tomorrow. — Chelsea Handler (@chelseahandler) April 17, 2017

Milano has continued to tweet throughout the day, including retweets from the Ossoff campaign.

#GA06! This movement is your movement. Sing loud. Sing proud. — Alyssa Milano (@Alyssa_Milano) April 18, 2017

If you’re having a hard time voting in #GA06 the Democratic Party Voter Protection Hotline:

(404) 626-6838

(404) 673-1325#FlipThe6th — Alyssa Milano (@Alyssa_Milano) April 18, 2017

There are 8k volunteers working for @ossoff on the ground. This is their movement. This is their time. #FlipThe6th pic.twitter.com/bCdc7PAnzf — Alyssa Milano (@Alyssa_Milano) April 18, 2017

The president tweeted about the race Tuesday morning, calling Ossoff a “disaster.”

Democrat Jon Ossoff would be a disaster in Congress. VERY weak on crime and illegal immigration, bad for jobs and wants higher taxes. Say NO — Donald J. Trump (@realDonaldTrump) April 18, 2017

Republicans must get out today and VOTE in Georgia 6. Force runoff and easy win! Dem Ossoff will raise your taxes-very bad on crime & 2nd A. — Donald J. Trump (@realDonaldTrump) April 18, 2017

Actress and political activist Jane Fonda has donated to Ossoff, as did actors Sam Waterston, Kristen Bell, Connie Britton, Jessica Lange, Lynda Carter and Rhea Perlmam, according to Federal Election Commission reports.

If no candidate receives more than 50 percent of the total vote Tuesday (Ossoff has been polling between 41-45 percent), the top two candidates will compete in a run-off scheduled for June 20.

Ossoff managed to raise a record $8.3 million in the first quarter of 2017, outpacing his closest rival by 18-fold. While Ossoff enjoys support across the Democratic political spectrum, Republican voters are split among a plethora of candidates, four of whom are predicted to compete for second place.

While the Georgia 6th district only supported Trump just narrowly over former Secretary of State Hillary Clinton in the 2016 presidential race, Price won the district by 23 percentage points.

Businessman and local councilman Bob Gray has emerged as a potential June challenger to Ossoff, while former Republican secretary of state Karen Handel fights to make it to the run-off as well. (RELATED: New GOP Frontrunner In Georgia)

State Senators’ Judson Hill and Dan Moody have polled well in recent months, and Hill hopes a last-minute robo-call from U.S. Republican Sen. Marco Rubio is enough to get him into a June run-off.

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