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Actor Colin Hanks — son of Tom — tied the knot with publicist Samantha Bryant Saturday in Los Angeles, his rep confirmed to PEOPLE magazine.

Alyssa Milano and Reese Witherspoon were among the guests.

Bryant previously worked with agency Bullfrog & Baum, although PRNewser hasn’t been able to track down where she currently works.

Numerous news reports listed her as a “Manhattan-based PR executive.” If you have information, let us know.