▁Matt ▁Bar r ▁as ▁Christopher ▁" S ul ly " ▁S ull ivan , ▁Henry ' s ▁best ▁man ▁ ▁Harry ▁Ham lin ▁as ▁" Un cle " ▁Mart y ▁D unn , ▁Henry ▁and ▁J . D .' s ▁uncle ▁and ▁sur rog ate ▁father ▁ ▁G ina ▁Hold en ▁as ▁She a ▁Allen , ▁Tr ish ' s ▁big ▁sister ▁and ▁Ma id ▁of ▁Honor ▁ ▁David ▁Lewis ▁as ▁Richard ▁Allen , ▁She a ' s ▁husband ▁ ▁Cass andra ▁S awt ell ▁as ▁Mad ison ▁Allen , ▁She a ▁and ▁Richard ' s ▁daughter ▁ ▁Claud ette ▁M ink ▁as ▁K atherine ▁Well ington , ▁Tr ish ▁and ▁She a ' s ▁ste pm other ▁ ▁Br andon ▁Jay ▁Mc L aren ▁as ▁D anny ▁Bro oks , ▁a ▁gro oms man ▁and ▁Henry ' s ▁best ▁friend ▁from ▁college ▁ ▁Chris ▁G auth ier ▁as ▁Mal col m ▁Ross , ▁a ▁gro oms man ▁ ▁Se an ▁Rog erson ▁as ▁Jo el ▁Bo oth , ▁a ▁gro oms man ▁ ▁Am ber ▁B ory cki ▁as ▁Beth ▁Bar r ington , ▁a ▁br ides ma id ▁and ▁Tr ish ' s ▁former ▁college ▁ro omm ate ▁ ▁Sarah ▁S my th ▁as ▁Lucy ▁Dar amour , ▁a ▁br ides ma id ▁and ▁one ▁of ▁Tr ish ' s ▁child hood ▁friends ▁ ▁Ben ▁Cot ton ▁as ▁Sh ane ▁Pier ce , ▁a ▁local ▁fish erman ▁who ▁pretty ▁much ▁h ates ▁everyone ▁ ▁Anna ▁Ma e ▁Rout ledge ▁as ▁Kelly