Speaking to The List in anexclusive interview, Milligan opened up about his experience while shooting the film.
But, going into filming, he also had some apprehension.
“I was a huge fan (of Bell) beforehand,“he told The List.

As a fan he was nervous he might be disappointed with their actual interactions.
Fortunately, she “exceeded expectations in every way,” Milligan said.
“[Bell] is truly lovely, genuine, caring, and a wonderful scene partner.”

[She’s] very game for finding all these little moments in between lines.”
That attitude made it easy to work with her and to build up the romantic chemistry between their characters.
Milligan related the experience of working with them back to his character.

Milligan compared that to his own feelings.
“I never felt like an outsider and was always a part of the team,” he said.
“We were joking around and having a lot of fun.
“The People We Hate at the Wedding” is launching globally on Prime Video on November 18.