James Franco

James Franco

Jonah Hill

Jonah Hill

Seth Rogen

Seth Rogen

Jay Baruchel

Jay Baruchel

Danny McBride

Danny McBride

Craig Robinson

Craig Robinson

Michael Cera

Michael Cera

Emma Watson

Emma Watson

Mindy Kaling

Mindy Kaling

David Krumholtz

David Krumholtz

Christopher Mintz-Plasse

Christopher Mintz-Plasse

Rihanna

Rihanna

Martin Starr

Martin Starr

Paul Rudd

Paul Rudd

Channing Tatum

Channing Tatum

Kevin Hart

Kevin Hart

Aziz Ansari

Aziz Ansari

Samantha Ressler

Karen (Franco's Asst.)

Douglas M. Griffin

Father in Store

Carol Sutton

Cashier

Yohance Myles

Cell Phone Guy

Richard Holden

Priest

Brian Huskey

Headless Man

Dallas West

Cera Girl #2

David Jensen

Cannibal #1

Carey Jones

Rape Demon

Ricky Mabe

Santa Cannibal

Nick Carter

Backstreet Boys

Howie Dorough

Backstreet Boys

Brian Littrell

Backstreet Boys

AJ McLean

Backstreet Boys

Kevin Richardson

Backstreet Boys

Edward J. Clare

Capt. Angelo (uncredited)

Ashleigh Dejon

Partygoer (uncredited)

Evan Goldberg

Evan Goldberg (uncredited)

Damian Gomez

Backstreet Boys Backup Dancer (uncredited)

Steffie Grote

LA Hipster / Driver (uncredited)

Ashley Lambert

Party Girl (voice)

Chi Muoi Lo

Jang (uncredited)

Brittany Perry-Russell

Heaven's Angel (uncredited)

Met Salih

Partygoer (uncredited)

Brandon Trost

Cannibal (uncredited)

Jason Trost

JTRO (uncredited)

Syd Wilder

Angel (uncredited)

Jason Segel

Jason Segel (uncredited)