There was speculation in December of last year that Affleck would run for Senate in Massachusetts, to replace Secretary of State John KerryJohn Forbes KerryOcasio-Cortez and Cruz's dialogue shows common ground isn't just for moderates 'Landslide' for Biden? A look at 40 years of inaccurate presidential polls Trump campaign considering making a play for blue state Oregon: report MORE. Affleck, a Boston native, and Kerry are close. The actor campaigned for Kerry's presidential campaign in 2004.

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But Affleck opted not to run and has seen his Hollywood career flourish: His film "Argo" won the Academy Award for Best Picture earlier this year.

Affleck has remained politically active through his Eastern Congo Initiative and he's testified on Capitol Hill about ending the war in the Congo. He also held a fundraiser for Massachusetts Democrat Elizabeth WarrenElizabeth Ann WarrenTrump hits polling on Fox News: 'Something weird going on at Fox' Trump hits polling on Fox News: 'Something weird going on at Fox' 2020 Democrats look to cut into Biden's lead with black voters MORE's 2012 Senate campaign.

Garner said she would support her husband if he makes the political leap.

"I'm along for the ride," she told the magazine.