Tom Cruise Frank T.J. Mackey
Julianne Moore Linda Partridge
William H. Macy Quiz Kid Donnie Smith
Alfred Molina Solomon Solomon
John C. Reilly Officer Jim Kurring
Patton Oswalt Delmer Darion
Chris O'Hara Sydney Barringer
Luis Guzmán Luis
Thomas Jane Young Jimmy Gator
Clark Gregg WDKK Floor Director
Paul Thomas Anderson Director, Writer, Man Confiscating Sign (uncredited), Producer
Ousaun Elam Stunts
Philip Seymour Hoffman Phil Parma
Rick Shuster Pilot
Mary Lynn Rajskub Janet (Frank's Assistant) (voice)
Melora Walters Claudia Wilson Gator
Orlando Jones Worm
Spencer Kayden Seminar Patron (uncredited)
William Mapother WDKK Show Director's Assistant
Neil Flynn Stanley Berry
Jim Beaver Smiling Peanut Patron #1
Steve Pederson Sound Re-Recording Mixer
Jason Robards Earl Partridge
Felicity Huffman Cynthia
Paul F. Tompkins Chad (Seduce & Destroy) (voice)
Matt Gerald Officer #2
Shepherd Frankel Assistant Art Director
Melinda Dillon Rose Gator
Michael Bowen Rick Spector
Matt McDonald Digital Compositor
Mark Graziano Post Production Supervisor
Tammy Williamson Set Costumer
Miriam Margolyes Faye Barringer (uncredited)
Jennifer Clark Assistant Accountant
Michael Murphy Alan Kligman, Esq.
Thomas J. O'Connell ADR Mixer
Don McManus Dr. Landon
Tom Tangen Drunken Dart Player (uncredited)
April Grace Gwenovier
Jim Meskimen Forensic Scientist
Greg Bronson Waiter (uncredited)
Richard F. Anderson Set Dresser
James Moran Set Production Assistant
Michael Shamus Wiles Captain Muffy
Timothy S. Wiles Property Master
Bob Yerkes Stunts
Kevin Breznahan Geoff, Seminar Guy
Hamilton Sterling Sound Effects Editor
Charlie Scott Jr. Craft Service, Pedestrian #2
Lou Carlucci Special Effects Supervisor
Dylan Tichenor Editor, Associate Producer
Miguel Pérez Avi Solomon
Phil Hawn Bob (uncredited)
Lauren Ritchie Visual Effects Production Manager
Paul Prokop Production Controller
Pat Healy Sir Edmund William Godfrey / Young Pharmacy Kid
Philip Baker Hall Jimmy Gator
Henry Gibson Thurston Howell
Richard King Sound Designer, Supervising Sound Editor
Cleo King Marcie
Allan Graf Stunts, Firefighter
Michael De Luca Executive Producer
Phil Culotta Stunts
Raymond Gonzales Electrician
Barbara Harris ADR Voice Casting
Ricky Jay Burt Ramsey / Narrator
Alan D. Purwin Aerial Coordinator
Meagen Fay Dr. Diane
Lillian Adams Donnie's Old Neighbor
Hans Bjerno Aerial Camera
Chris L. Spellman Set Decoration
John S. Davies Cameraman