Alexandra Daddario Annabeth Chase
Nathan Fillion Hermes
Ron Perlman Polyphemus (voice)
Stanley Tucci Mr. D / Dionysus
Octavia Spencer Martha (voice)
Logan Lerman Percy Jackson
Robert Knepper Kronos
Missi Pyle Gray Sister #3
Shohreh Aghdashloo Oracle (voice)
Chris Columbus Executive Producer
Leven Rambin Clarisse La Rue
Anthony Stewart Head Chiron
Craig Robinson George (voice)
Yvette Nicole Brown Gray Sister #2
Brandon T. Jackson Grover Underwood
Bill Terezakis Makeup Effects
Jake Abel Luke Castellan
Devyn Dalton Stunts
Douglas Smith Tyson
Andrea Stefanci Stunts
Marc Guggenheim Screenplay
Aleks Paunovic Cyclops #2
Christopher Redman Reardon
Derek Mears Cyclops #1
Robert Maillet Polyphemus / Laistrygonian
Alisha Newton Young Annabeth
Timothy Martin Animatronic and Prosthetic Effects
Paloma Kwiatkowski Thalia Grace
Samuel Braun Young Luke
Alec Gillis Special Effects Makeup Artist
Garvin Cross Stunt Coordinator
Todd Scott Stunts
Darryl Scheelar Stunts
Katelyn Mager Young Thalia
Mary Birdsong Gray Sister #1
Shane Vieau Set Decoration
Alicia Vela-Bailey Stunts
Randy Hall Stunt Coordinator
Maxine Miller Parcel Store Customer
Tom Woodruff Jr. Special Effects Makeup Artist
Jordan Weller Ichneutae
Laura Lee Connery Stunts
Grey Damon Chris Rodriguez
Mark Goldblatt Editor
Shauna Duggins Stunts
Rorelee Tio Stunts
Ron Bartlett Sound Re-Recording Mixer
Rick Riordan Novel
Claude Paré Production Design
Rob Mars Stunts
Florent Danny Retz Assistant Editor
Doug Hemphill Sound Re-Recording Mixer
Thor Freudenthal Director
Lee Whittaker Stunts
Scott J. Ateah Stunt Coordinator
Helen Jarvis Supervising Art Director
Shelly Johnson Director of Photography
Bill Bannerman Co-Producer, Unit Production Manager
Jenn Harris Stunts
Richard Yearwood Ganymede
Jeffrey Harlacker Associate Producer
Eli Zagoudakis Stunts
Sigrid Spade Assistant Set Decoration
Julia Michels Music Supervisor
Michelle Hendriksen Assistant Property Master
Coreen Mayrs Casting
Mark Radcliffe Executive Producer
Rob 'Sluggo' Boyce Stunts
Heike Brandstatter Casting
Rochelle Okoye Stunts
David Jacox Stunts
Brian Ho Stunts