Dennis / Patricia / Hedwig / The Beast / Kevin Wendell Crumb / Barry / Orwell / Jade
Casey Cooke
Dr. Karen Fletcher
Claire Benoit
Marcia
Five-Year-Old Casey (as Izzie Leigh Coffey)
Uncle John
Casey's Father
Mr. Benoit
News Anchor
Game Show Enthusiast
Joe
Jai / Hooters Lover
Kevin's Mother
Vince, Security Guard
Academic Moderator (as Lyne Renee)
Dr. Fletcher's Patient
Taxi Driver
Flower Kiosk Worker
Security Guy with Dog (as Roy Wilson)
Older Worker
Paramedic
Police Officer #1
Police Officer #2
Television Reporter
Diner Waitress (as Emlyn Morinelli McFarland)
Game Show Contestant (voice)
Game Show Host (voice)
Couple (uncredited)
Restaurant Patron (uncredited)
Bar Patron (uncredited)
Zoo Attendee (uncredited)
Businessman / Father (uncredited)
Police Officer (uncredited)
Boy in Park (uncredited)
Party Guest (uncredited)
Man at Next Table (uncredited)
Bartender (uncredited)
Hannah (uncredited)
Restaurant and Mall Patron (uncredited)
Diner Patron (uncredited)
Party Guest / School Girl (uncredited)
Casey's Foster Dad (uncredited)
Train Conductor (uncredited)
Mall Shopper / Restaurant Patron (uncredited)
Traveler in the Station (uncredited)
Homeland Security (uncredited)
Zoo Worker (uncredited)
Zoo Goer (uncredited)
Teen Party Attendee / Schoolgirl (uncredited)
Police Officer by Car (uncredited)
Dr. Clerque (uncredited)
Detective (uncredited)
Park Pedestrian (uncredited)
Birthday Party Guest (uncredited)
Pedestrian (uncredited)
Casey's Mother (uncredited)
David Dunn (uncredited)