At the season 7 premiere 9-1-1 in March, the TV star, 45, opened up to PEOPLE about what it was like filming the wedding between her character Maddie Buckley ... with Joshua Jackson, Don Johnson ...

When planning their wedding, family was a top priority ... James Duggar, Justin Duggar and Jackson Duggar rounded out the groomsmen. Maddie's bridesmaids included Johanna Duggar, Jennifer Duggar ...

The entire wedding party featured Jason’s siblings. He chose Jedidiah Duggar as his best man, with James, Justin, and Jackson ...

Eight of Jason’s siblings were in the wedding party, including Jedidiah, 25, who was the best man. James, 23, Justin, 21, and ...