The actor Sam Elliott narrates a new ad for Democratic presidential nominee Joe BidenJoe BidenHarris says she has 'not yet' spoken to Pence Kamala Harris, Stacey Abrams among nominees for Time magazine's 2020 Person of the Year Obama: Republican Party members believe 'white males are victims' MORE that premiered Tuesday night during the first game of the World Series.

"There is only one America," the "Star is Born" actor says in his distinctive voiceover. "Just this great land and all that's possible on it with a fresh start."

"There is so much we can do if we choose to take on problems and not each other, and choose a president who brings out our best," the ad continues over a piano rendition of "The Star Spangled Banner."

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Elliott is not seen in the ad and has not officially endorsed Biden, but in 2017 he told Metro it was "mind-boggling" that President TrumpDonald John TrumpUSAID administrator tests positive for COVID-19 Kamala Harris, Stacey Abrams among nominees for Time magazine's 2020 Person of the Year DOJ appeals ruling preventing it from replacing Trump in E. Jean Carroll defamation lawsuit MORE had been elected.

"I think Trump won because he didn’t have someone running against him that was electable," he said at the time. "But he spoke to that vast whole out there that had been neglected forever."

Biden has been endorsed by a number of high-profile actors, such as Jennifer Lopez and Dwayne "The Rock" Johnson, as well as singer Taylor SwiftTaylor Alison Swift'The Daily Show's' Trevor Noah to host Grammy Awards Stevie Wonder, Céline Dion and other stars to perform at Thanksgiving concert honoring nurses Taylor Swift allows song to be used in campaign ad MORE.

Hollywood stars have also appeared at fundraising events for Biden. Don Cheadle, Chris Evans, Scarlett Johansson and other stars from the "Avengers" franchise participated in a virtual event Tuesday. The cast of NBC's "The West Wing" reunited for a virtual trivia night benefiting Biden last week.