<Li> Shannon Ferber as Young Emma </Li> <Li> Chris Pratt as Fletcher Flemson, Emma's fiance . Fletcher is an accountant and the two of them met ten years prior to the film's events . Throughout the film, he is shown to be very controlling, becoming aggravated by Emma's assertive behavior, and begins to have a lot of differences with her . </Li> <Li> Bryan Greenberg as Nathan "Nate" Lerner, Liv's younger brother who is in love with Emma . </Li> <Li> Steve Howey as Daniel Williams, Liv's fiance and a hedge fund manager . Unlike Fletcher and Emma, he became closer with Liv during the wedding planning process and embraced his fiance's changes in her attitude particularly her newly discovered vulnerability . </Li>

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