Reese Witherspoon
Dr. Elizabeth Masterson
Mark Ruffalo
David Abbott
Donal Logue
Jack Houriskey
Dina Spybey-Waters
Abby Brody
Ben Shenkman
Dr. Brett Rushton
Jon Heder
Darryl
Ivana Miličević
Katrina
Caroline Aaron
Grace
Rosalind Chao
Fran
Ron Canada
Dr. Walsh
Willie Garson
Maitre D'
Kerris Dorsey
Zoe
Alyssa Shafer
Lily
Gabrielle Made
Nurse Maria
Shulie Cowen
Nurse Jenny
Billy Beck
Mr. Clarke
Catherine Taber
Intern Karen
Paul Cassell
Brett's Friend
Raymond O'Connor
Catholic Priest
Lucille Soong
Chinese Exorcist
Joel McKinnon Miller
Lead Ghostbuster
Victor Yerrid
Ghostbuster
Bobby Benjamin
Ghostbuster
Lorna Scott
Hippie Neighbour
Jeffrey Marcus
Uptight Neighbour
Ken Takemoto
Chinese Neighbour
Chaim Jeraffi
Dry Cleaner
Lee Burns
Ivan the Bartender
Tim Connolly
Security Guard
Tim Sitarz
Security Guard
Tony Brubaker
Security Guard
Jimmy Ortega
Security Guard
Yeena Fisher
Seamstress (uncredited)
William Caploe
Nurse Bill
Diego Sebastian
Bandage Guy
Cristian Cruz
Orderly Luis
Benjamin Hughes
Peroxide Rocker
Cara Vivien Rosenberg
Balloon Girl
Chris Pflueger
Abby's Husband
Drew Letchworth
UFO Guy
Ron Hacker
Blues Guy
Kara Hamilton
Valerie
Nicole Wilder
KIm
Doug Krizner
Donald
Zoe Waters
Park Girl
Jacob Chambers
Kenny
Karen Harrison
Kenny's Friend
Ingrid Coree
Waitress
Amita Balla
Receptionist
Ken Clark
Security Guard
