Reese Witherspoon
Dr. Elizabeth Masterson
Donal Logue
Jack Houriskey
Dina Spybey-Waters
Abby Brody
Ben Shenkman
Dr. Brett Rushton
Gabrielle Made
Nurse Maria
Diego Sebastian
Bandage Guy
Cristian Cruz
Orderly Luis
Benjamin Hughes
Peroxide Rocker
Cara Vivien Rosenberg
Balloon Girl
Catherine Taber
Intern Karen
Chris Pflueger
Abby's Husband
Paul Cassell
Brett's Friend
Raymond O'Connor
Catholic Priest
Lucille Soong
Chinese Exorcist
Joel McKinnon Miller
Lead Ghostbuster
Bobby Benjamin
Ghostbuster
Lorna Scott
Hippie Neighbour
Jeffrey Marcus
Uptight Neighbour
Ken Takemoto
Chinese Neighbour
Karen Harrison
Kenny's Friend
Lee Burns
Ivan the Bartender
Tim Connolly
Security Guard
Tony Brubaker
Security Guard
Jimmy Ortega
Security Guard
Yeena Fisher
Seamstress (uncredited)