Martin Landau as Robert

Ellen Burstyn as Mary

Adam Scott as Mike

Elizabeth Banks as Alex

Har Mar Superstar as Peter (as Sean Tillmann)

Kali Cook as Cute Girl

Chris Wiig as Co-Worker #1 (as Christopher Why)

M. Michele Phillips as Co-Worker #2

Tina Dixon as Post Woman (as Christine Dixon)

Mary Husar as Co-Worker #3

Scott Beehner as Co-Worker #4

Todd Fink as Fancy Waiter

Ross Brockley as Grumpy Carriage Driver

Alex Curbeam as Damien Montgonmery

Michael Leach Jr. as Sled Kid #2

Nick Hernandez as Sled Kid #3

Leo Fitzpatrick as Pharmacist

Judith Kathryn Hart as Jacky

Jules Blight as Lisa

Mark Booker as Harold

Mark Kresl as Rufus

Zoey Newman as Michelle

James Devney as Buck

Melissa Jarecke as Party Woman

Sean O'Connell as Young Mike

Randi-Shane Knox as Young Alex