Wedding Party
Charlie Losiewicz
Man of Honor
Olivia's brother (1997) and Brian's former high school bandmate (2011)
Liam Harwood
Best Man
Brian's best friend since age 2 (1999) & Olivia's second grade classmate (2003)
Erin McCarthy
Wedding Party
Brian's sister (1996) and Olivia's former high school bandmate (2010)
Katie Jones
Wedding Party
Brian's older sister (1996) and Olivia's high school choir buddy (2010)
Sarah Messerschmidt
Wedding Party
Olivia's cousin (1996) and the #1 fan of Brian's brownies (2015).
Steffen Hartwell-Jones
Wedding Party
Brian (and soon to be Olivia)'s brother-in-law via Katie, who met both Brian and Olivia in 2018
Corin Day
Wedding Party
Olivia's twin, who met both Olivia and Brian through Erin (2021)
Lexie Lieberthal
Wedding Party
Charlie's partner, but met Olivia first in 5th grade dance class (2006) and Brian through community theatre (2014)
River Armstrong
Wedding Party
Met Olivia in the fifth grade play (2007) and Brian in high school (2010)
Amanda Brangwynne
Wedding Party
Met Olivia in dance class in kindergarten (2001) and Brian in high school (2011)
Ariana Chaivaranon
Wedding Party
Olivia's college roommate (2014)
Nick Christo
Wedding Party
Met Brian in kayak camp (2007) and Olivia just by existing in Mansfield (2002)
Monica Curtin
Wedding Party
Met Olivia in second grade (2003) and Brian in sixth grade (2007)
Carly Griffin
Wedding Party
Met Olivia in kindergarten (2001) and Brian in 3rd grade (2004)
Bree Lalor
Wedding Party
Olivia's college roommate (2014)
Ricky Metters
Wedding Party
Brian's college roommate (2014)
Jerry Nelluvelil
Wedding Party
They say you meet some of your best friends studying abroad, but Jerry just met Olivia (2016)
Alex Tarlton
Wedding Party
Met Brian in 4th grade (2005) and Olivia on the kindergarten bus (2001)