Steve Coogan

Langdon Tharp

Kai Lennox

Sort of Weird Guy

Antonio Banderas

Mort

Elliott Gould

Dr. Rosenthal

Paul Dano

Calvin

Aasif Mandvi

Cyrus Modi

Chris Messina

Harry

Alia Shawkat

Mabel

Zoe Kazan

Ruby

Wallace Langham

Warren

Deborah Ann Woll

Lila

Mary Jo Deschanel

Female Professor

Annette Bening

Gertrude

China Shavers

Party Goer 1 - Book Release

Robert Graf

Executive Producer

Rightor Doyle

Party Goer 1 - Hammer

Toni Trucks

Susie

Valerie Faris

Director

Jonathan Dayton

Director

Eden Brolin

Party Goer 2 - Hammer

Eleanor Seigler

Mandi

John F. Beach

Adam

Jane Anne Thomas

Saskia

Emma Jacobs

Party Goer at Langdon's

Ole Olofson

Older Dude

Jack Levinson

Party Goer 2 - Book Release

Casey Genton

Busboy