출연진

• Mark Ruffalo — David Abbott
• Reese Witherspoon — Dr. Elizabeth Masterson
• Donal Logue — Jack Houriskey
• Rosalind Chao — Fran
• Ron Canada — Dr. Walsh
• Dina Spybey-Waters — Abby (As Dina Waters)
• Ivana Milicevic — Katrina
• Willie Garson — Maitre D'
• Ben Shenkman — Dr. Brett Rushton
• Shulie Cowen — Nurse Jenny
• Billy Beck — Mr. Clarke
• Catherine Taber — Intern Karen
• Kerris Dorsey — Zoe
• Alyssa Shafer — Lily
• Jacob Chambers — Kenny
• Diego Sebastian — Bandage Guy
• Paul Cassell — Brett's Friend
• Drew Letchworth — UFO Guy
• Raymond O'Connor — Catholic Priest
• Lucille Soong — Chinese Exorcist
• Joel McKinnon Miller — Lead Ghostbuster
• Victor Yerrid — Ghostbuster
• Jeffrey Marcus — Uptight Neighbour
• Ken Takemoto — Chinese Neighbour
• Ingrid Coree — Waitress
• Lee Burns — Ivan the Bartender
• Amita Balla — Young Receptionist
• Caroline Aaron — Grace
• Jon Heder — Darryl
• Jimmy Ortega — Security Guard #4
• Lorna Scott — Hippie Neighbour
• Chaim Girafi — Dry Cleaner