Paul Thomas Anderson Director, Writer, Producer Jason Robards Earl Partridge Actor Julianne Moore Linda Partridge Actor Tom Cruise Frank T.J. Mackey Actor Philip Seymour Hoffman Phil Parma Actor John C. Reilly Jim Kurring Actor Melora Walters Claudia Wilson Gator Actor Jeremy Blackman Stanley Spector Actor Michael Bowen Rick Spector Actor William H. Macy Donnie Smith Actor Philip Baker Hall Jimmy Gator Actor Melinda Dillon Rose Gator Actor Emmanuel Johnson Dixon Actor Michael Murphy Alan Kligman Actor Luis Guzmán Self April Grace Gwenovier Actor Orlando Jones Worm Actor Ricky Jay Burt Ramsey, Prologue Narrator Actor Henry Gibson Thurston Howell Actor Felicity Huffman Cynthia Actor Alfred Molina Solomon Solomon Actor Don McManus Dr. Landon Actor Eileen Ryan Mary Actor Danny Wells Dick Jennings Actor Michael De Luca Executive Producer Lynn Harris Executive Producer Daniel Lupi Co-Producer, Unit Production Manager JoAnne Sellar Producer Dylan Tichenor Film Editing Cassandra Kulukundis Casting Robert Elswit Cinematographer Fiona Apple Music Jon Brion Music Aimee Mann Songs William Arnold Production Design Mark Bridges Production Design, Costume Design Shepherd Frankel Art Director David Nakabayashi Art Director Chris Spellman Set Decoration Elaine L. Offers Makeup Artist Tina Roesler Kerwin Key Makeup Artist Craig Markey Production Supervisor