Cast Cast overview, first billed only: Leighton Meester Leighton Meester ... Rebecca Evans Minka Kelly Minka Kelly ... Sara Matthews Cam Gigandet Cam Gigandet ... Stephen Aly Michalka Aly Michalka ... Tracy Morgan Danneel Ackles Danneel Ackles ... Irene (as Danneel Harris) Frances Fisher Frances Fisher ... Alison Evans Tomas Arana Tomas Arana ... Jeff Evans Billy Zane Billy Zane ... Professor Roberts Nina Dobrev Nina Dobrev ... Maria Matt Lanter Matt Lanter ... Jason Katerina Graham Katerina Graham ... Kim Johnson Johannes Raassina Johannes Raassina ... Band Member Cameron Fisher Brousseau Cameron Fisher Brousseau ... Band Member Evan Michael Brown Evan Michael Brown ... Band Member Alex Meraz Alex Meraz ... Frat Boy