This Is 40

Paul Rudd

Pete

Leslie Mann

Debbie

John Lithgow

Oliver

Megan Fox

Desi

Maude Apatow

Sadie

Iris Apatow

Charlotte

Chris O'Dowd

Ronnie

Jason Segel

Jason

Melissa McCarthy

Catherine

Graham Parker

Graham Parker

Albert Brooks

Larry

Lena Dunham

Cat

Annie Mumolo

Barb

Robert Smigel

Barry

Lo Mutuc

Jodi

Lisa Darr

Clair

Billie Joe Armstrong

Billie Joe Armstrong

Michael Ian Black

Accountant