March 12, 2015 11:57 AM EDT

First he mugged for the cameras with his old pal Wilson at a hockey game. Then he showed up in the music video for Carly Rae Jepsen’s latest earworm. Now the Academy Award-winning actor has lent his star power to the Girl Scouts by helping them sell cookies in the San Francisco Bay Area over the weekend.

The Los Altos Town Crier reports that Tom Hanks and his son Truman were on their way to a typewriter shop when Hanks saw three Girl Scouts standing in front of the store selling cookies. He bought four boxes, made a $20 donation and helped sell some himself by offering to take photos with passersby if they purchased boxes, Archana Appanna, mother of one of the girls, told the newspaper.

No word on whether he likes Thin Mints or Samoas better.

Read next: The Evolution of Girl Scout Cookies, From Grandma’s Kitchen to Your iPhone

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