Anna Kendrick as Eloise McGarry

Craig Robinson as Jerry Kepp

June Squibb as Jo Flanagan

Lisa Kudrow as Bina Kepp

Stephen Merchant as Walter Thimble

Tony Revolori as Renzo Eckberg

Wyatt Russell as Teddy Millner

Amanda Crew as Nikki

Becky Ann Baker as Carol Millner

Thomas Cocquerel as Huck Hayes

Maria Thayer as Kate Millner

Andy Daly as Luke Pfaffler

Andy Stahl as Henry Grotsky

Chris Whitley as Douglas Grotsky

Margo Martindale as Freda Eckberg

Megan Lawless as Megan-Ann

Sheri Mann Stewart as Sherri Grotsky

Richard Haylor as Roger Millner

Carlos Aviles as Jalapeño

Chelle Ramos as Rodriguez Bride

Brad Oberhofer as Wedding Singer

Jay Klaitz as Photographer

Andy Blitz as Notorious Donny Haczyk

Max Silvestri as Champagne Server

Nick Arapoglou as Receptionist

Matthew Cornwell as Drunk Military Buddy

Rya Meyers as Francie Millner

Charles Green as Mr. Manny

Elizabeth Faith Ludlow as Caterer

Omer Mughal as Hotel Staff Member

Gabriella Cila as Renzo's Study Buddy

Lontrell Anderson as Server (uncredited)

Nargis Aniston as Bridesmaid (uncredited)

Tommy O'Brien as Robert Vardaros (uncredited)

Amanda Burke Buczek as Bridesmaid (uncredited)

Kelsey Cortez as Server (uncredited)

Payson Durant as Wedding Guest (uncredited)

Shannon Edwards as Milner Business Associate (uncredited)

Fred Galle as Wealthy Family Friend (uncredited)

Matthew A. Hand as Wedding Guest (uncredited)

Geoffrey Howard as Wedding Guest (uncredited)

Lainey Kloes as Wedding Guest (uncredited)

Susan Lafayette Moss as Maid (uncredited)

Roger Neal as Wedding Guest (uncredited)

Stacey Parrish as Bridesmaid (uncredited)

Shaker Sangam as Wedding Guest (uncredited)

Garret Whittington as Single Bachelor (uncredited)