Amanda Seyfried as Chloe Sweeney

Julianne Moore as Catherine Stewart

Liam Neeson as David Stewart

Max Thieriot as Michael Stewart

R.H. Thomson as Frank

Nina Dobrev as Anna

Mishu Vellani as Receptionist

Julie Khaner as Bimsy

Laura de Carteret as Alicia

Tiffany Lyndall-Knight as Trina

Meghan Heffern as Miranda

Arlene Duncan as Party Guest

Tamsen McDonough as Waitress 1

Kathryn Kriitmaa as Waitress 2

Adam Waxman as Bartender

Natalie Lisinska as Eliza

Krysta Carter as Young Co-Ed

Severn Thompson as Nurse

David Reale as Student 1

Milton Barnes as Student 2

Kathy Maloney as Student 3

Sean Orr as Chloe's Client #1

Paul Essiembre as Chloe's Client #2

Rod Wilson as Chloe's Client #3

Sarah Casselman as Orals Student

Kyla Tingley as Woman behind bar

Riley Jones as Stunt Hockey Player

David Gustav Fraser as Rivoli Patron

Adam Christie as Student (uncredited)

Rosalba Martinni as Maria (uncredited)