Anna Faris as Ally Darling

Chris Evans as Colin Shea

Ari Graynor as Daisy Darling

Blythe Danner as Ava Darling

Ed Begley Jr. as Mr. Darling

Oliver Jackson-Cohen as Eddie Vogel

Heather Burns as Eileen

Eliza Coupe as Sheila

Kate Simses as Katie

Tika Sumpter as Jamie

Dave Annable as Jake Adams

Joel McHale as Roger the Boss

Chris Pratt as Disgusting Donald

Denise Vasi as Cara

Zachary Quinto as Boyfriend Rick

Martin Freeman as Simon Forester

Anthony Mackie as Tom Piper

Thomas Lennon as Dr. Barrett Ingold

Mike Vogel as Dave Hansen

Andy Samberg as Gerry Perry

Ivana Miličević as Jacinda

Jacquelyn Doucette as Sheila's Mom

Jason Bowen as Brad

Danielle Perry as Melissa

Tyler Peck as Gene

Jackson Nicoll as Justin

Aziz Ansari as Jay

Ed Jewett as Kevin

Sondra James as Plant Lady

Lonnie Farmer as Maître D' at Italian Restaurant

Bronwen Booth as Officiant at Wedding

Ben Hanson as Security Guard at Wedding

Elio Lo Russo as Accordion Player

Dale Place as Man at Library

Colby Parsons as 14 Year Old Jake

Nadine Jacobson as 14 Year Old Ally

Alyana Barbosa as Kid #1

Molly Goldfarb as Kid #2

Jack Walsh as Kid #3

Henry J. Grabowski as Kid #4

Aaron C. Belyea as Daisy's Band Member

Carl Alleyne as Daisy's Band Member

Damon Carter as Daisy's Band Member

Jaime Galarza Jr. as Daisy's Band Member

Johan Narsjo as Daisy's Band Member

Penni Layne as Daisy's Band Member

Steve Bankuti as Daisy's Band Member

Larry Jackson as Daisy's Band Member

Jon Bistline as Colin's Band Member

Eliot M. Hunt as Colin's Band Member

Eli T. Scheer as Colin's Band Member

Shawn Marquis as Colin's Band Member

Onur Dilisen as Quartet Member

Ann Dillon as Quartet Member

Emily Wolf as Quartet Member

Robin Ryczek as Quartet Member

Stephanie Atkinson as Wedding Guest (uncredited)

John Franchi as Wedding Singer (uncredited)

Dan Marshall as High-End Restaurant Patron / Commuter / Dancing Wedding Guest (uncredited)