Percy Jackson (Logan Lerman) és un estudiant que veu com els personatges del seu llibre de mitologia grega cobren vida de la nit al dia. Zeus (Sean Bean) està molt enfadat amb Percy perquè creu que li ha robat el seu poderós llamp i el noi es veu immers en una perillosa batalla entre déus que pot tenir conseqüències entre la societat del segle XXI. Actors famosos com Uma Thurman, Rosario Dawson i Pierce Brosnan interpreten a Medusa, Persèfone i Quiró respectivament en aquesta pel·lícula de fantasia dirigida per l'expert Chris Columbus.
Guió: Craig Titley
Novel·la original: Rick Riordan
Producció: Michael Barnathan, Mark Morgan, Guy Oseary, Mark Radcliffe, Karen Rosenfelt
Producció executiva: Thomas M. Hammel
Música: Christophe Beck
Fotografia: Stephen Goldblatt
Muntatge: Peter Honess
Càsting: Heike Brandstatter, Janet Hirshenson, Jane Jenkin, Michelle Lewitt, Coreen Mayrs
Disseny de producció: Howard Cummings
Direcció artística: Ross Dempster, Dan Hermansen, James Steuart, Sandi Tanaka, Greg Venturi
Vestuari: Renée April
Maquillatge: Matthew Aebig, Beth Boxall, Linda Boykin-Williams, Emanuela Daus, Victoria Down, Melinda Dunn, Vanessa Giles, Céline Godeau, Tracy Lai, Sherry Linder-Gygli, Sharon Markell, Christopher Mark Pinhey, Justin Stafford, Bill Terezakis, Debra Wiebe, Helen Magelaki
Departament artístic: Andy Aitken, Don Anderson, Dave Asling, Sandra Baier, Vaughan V. Baker, Brent Bennett, Eli Best, Peter Bodnarus, Timothy Burgard, Melanie Cassidy, Niki Charalambopoulos, John Chaschowy, Susan Connor, Alexandra Cram, Brian Cunningham, Darrin Denlinger, Sharon Dever, Dylan Dowd, Michael Dundas, Giacomo G. Ghiazza, Brent Gloeckler, Max Gloeckler, Leesa Hanna, Haida Harper, Leigh Harrington, Adrian Hrytzak, Julianna Kolakis, Bryan Korenberg, Ray Lai, Cody Larson, Charles Leitrants, Vladimir Lushnikov, Rohan Lyal, Victor James Martinez, Jaydene Maryk, Joe May, Marilyn McKay, Morag McLean, Brychen Olive, Eric Pastore, Vicki Pui, Jim Ramsay, Andrew Reid, Al Rourke, Daniel Scarcello, Rodrigo Segovia, Dean Sherriff, Aaron Sims, Casey Smith, Wyatt Soutzo, James Steuart, John Sund, Adrien Van Viersen, Greg Venturi, Thomas Weigeldt, Lori West, Milena Zdravkovic
So: Scott Aitken, Derek Casari, Colette Dahanne, Sean England, Ian Ferguson, Will Files, Michael Fowler, Rick Kline, Leff Lefferts, Roderick Matte, Millar Montgomery, Beauxregard Neylon, Gary Rizzo, Randy Thom, Rob Young, Kelly Zombor
Efectes especials: Andy Aitken, Kelly Coe, Chris Hatchwell, Harry Tomsic, Attila Vaski
Efectes visuals: Matan Abel, Matthew Adams, Kevin Aguirre, Shish Aikat, Nicola Atkinson, Andra Bard, Geoffrey E. Baumann, Brian Begun, Joel Behrens, Andrea Biklian, Zakaria Boumediane, Jeremy Bradley, Daniel Brimer, Andy Burmeister, Lindsay Burnett, Jeffrey Burt, Julian Burt, Sebastian Butenberg, Shannon Caldwell, Paul Campion, Alexandre Cancado, Tom Capizzi, Curtis Cardwell, Michael Cashore, Cynthia Rodriguez del Castillo, Adam Chazen, Vanessa Cheung, Jeremy Chinn, Vincent Cirelli, Patrick Clancey, Michael Clive, James Cochrane, Janice Barlow Collier, Daniel Aristoteles Collins, Rafael Colon, Meagan Condito, Matt Conway, Nick Crew, Oliver Dale, Denise Davis, Shad Davis, Stanley A. Dellimore, Raffael Dickreuter, Anthony Di Ninno, Michael Dohne, Jonny Doig, Megan Dolman, Sven Dreesbach, Scott Edelstein, Joël Einhorn, Brett Ellis, Sebastian Elsner, Thilo Ewers, Sean Andrew Faden, Steven Fagerquist, Frank Fieser, Felix Fissel, Antonio Freire, Ignacio Garcerón, Brian Gazdik, Florian Gellinger, Mikael Genachte-Lebail, Ben Gillingham-Sutton, Katie Godwin, Robin Scott Graham, Michael Grawert, John Griffith, Michael Grund, Jason Michael Hall, H Haden Hammond, Jeremy Hampton, Jacob Harris, Jamie Hartnett, Christoph Hasche, Darren Hendler, Thomas Hiebler, Alex Hislop, Oliver Hohn, Glenn Holbrook, Phil Holland, Holly Gregory Horter, Kenneth Ibrahim, Isaac Irvin, Anna Ivanova, Joni Jacobson, Matthew Frederick Johnson, Will Johnson, Bryan Jones, Cindy Jones, Joseph Jones, Alla Kalachnikova, Kerstin Kensy, David Kirchner, Daryl Klein, Karl Kohlman, Arek Komorowski, Jakub Krompolc, Roger Kupelian, James Kuroda, Ken Lam, Kevin LaNeave, Michael Lankes, James Travis Lawrence, Marvin Lee, Jeff Lew, Blaine Lougheed, Kevin Scott Mack, Dawn Brooks, Angela Magrath, Philippe Majdalani, Michael Maloney, Paul Maples, Lisa Marra, Elizabeth Matthews, Dirk Matzkuhn, Björn Mayer, Natalie Meffert, Michael Melchiorre, Rob Meyers, Stephen Misek, Mo Mohamoud, Dele Momoh, Nicole Montemayor, Patrick Paul Mullane, Gautama Murcho, Devan Mussato, Masa Narita, Ben Neall, John Norris, Ezekiel Norton, Christian Paradis, Mitch Paulson, Geoff Pedder, Dawrath Phoue, Robert Pinnow, Elmar Pohl, Eric Ponton, Kelly Port, Michael Ranalletta, Jeff Reeves, Sascha Reinholz, Thomas Reppen, Liz Roberts, Ian Robinson, Kyle Robinson, Guillaume Rocheron, Cesar Rodriguez Bautista, Marc-Andre Samson, David Sanchez, Jared Sanders, Richard Sandoval, Ozen Sayidof, Boris Schmidt, Rayk Schroeder, Mayumi Shimokawa, Jay Shindell, Joey Sila, Keith Sintay, Thanapoom Siripopungul, Sally Slade, Brian Smallwood, Brad Smith, Edmond Smith III, Sean Stortroen, Ileana Stravoskiadi, Julien Stuart-Smith, Richard Sur, Richard Sutherland, Kristen Swanson, Hirofumi Takeda, Hanzhi Tang, Christopher Townsend, Robert Tucker, Leigh van der Byl, Diana Velasquez, Nashia Wachsman, Matthias Wäsch, James Waterson, Jonathan Weber, Cary Welton, Neil West, Kelly Whitfield, Mark Williams, Jeff Wolverton, Joseph Zaki, Lee Alexander, James Going
Animació: Peta Bayley, Dan Blacker, Christian Liliedahl, Dave Mah, Thanh Nguyen, Tim Ranck, Kimberly Sanchez, Daryl Sawchuk, P. Kevin Scott, Emil Simeonov, Danny Gordon Taylor
Càsting: Allison Bader, Andrea Brown, Kathleen Chopin, Chrissy Fiorilli, Andy Henry
Vestuari: Arlynn Abseck, Jim Alan Cook, Courtney Daniel, Marco Daxton, Joseph La Corte, J.J. Lewis, Jana MacDonald, Susan Bloedorn, Kelly Anne Ross, Jennifer Schilling
Departament editorial: Gary Burritt, Thomas J. Cabela, Brett Carroll, Jason Dale, Tyler Ruocco, Shae Salmon, Stacey Thompson, Ed Dobbs
Departament musical: Christophe Beck, Fernand Bos, Mark Graham, Kevin Kliesch, Jasper Randall, Peter Rotter, Steven L. Smith, Casey Stone
Departament de transports: Rupert Cole, Alan Kaminsky, Ryan Moroz, David Tinsley