Sarah Michelle Gellar
Veronika

David Thewlis
Dr. Blake

Jonathan Tucker
Edward

Erika Christensen
Claire

Melissa Leo
Mari

Erica Gimpel
Nurse White

Waleed Zuaiter
Lecturer

Victor Slezak
Gabriel Durant

Adrian Martinez
Nurse #1

Florencia Lozano
Dr. Thompson

Barbara Sukowa
Mom

Matthew Cowles
Old Fred

Rena Owen
Nurse Josephine

Holter Graham
Eric Grafton

Stuart Rudin
Deluded Man Patient

Ward Horton
Guy

Meg Gibson
Pro-Pundit

John Farrer
Old Fisherman

Rafael Sardina
Nurse #2

Jill Marie Lawrence
Female Nurse #1

Gregory Marcel
Coffee Boy

Nicolette Hart
Reporter

Jessica Kaye
Bartender

Michael Harkins
Parent #1 (uncredited)

Christy Bella Joiner
Nurse (uncredited)