| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Anders Engström | Crew | Directing | Director | 3 |
 Andrew Miller | Crew | Writing | Writer, Co-Executive Producer | 1 |
 Bear McCreary | Crew | Sound | Original Music Composer, Main Title Theme Composer | 8 |
 Bert Salke | Crew | Production | Executive Producer | 8 |
 Craig Silverstein | Crew | Writing | Writer | 1 |
 Denise Chamian | Crew | Production | Casting | 8 |
 James Bobin | Crew | Production | Executive Producer, Director | 8 |
 Jim Rowe | Crew | Production | Executive Producer | 8 |
 Lance Reddick | Crew | Crew | In Memory Of | 1 |
Monica Breen | Crew | Production | Executive Producer, Writer | 8 |
Ellen Goldsmith-Vein | Crew | Production | Executive Producer | 8 |
 Jonathan E. Steinberg | Crew | Production | Executive Producer, Writer, Creator | 8 |
 Rick Riordan | Crew | Production | Executive Producer, Writer, Book, Creator | 8 |
Joe Tracz | Crew | Writing | Writer | 2 |
Jeremy Bell | Crew | Production | Executive Producer | 8 |
Jet Wilkinson | Crew | Directing | Director | 3 |
Dan Shotz | Crew | Production | Executive Producer | 8 |
D.J. Goldberg | Crew | Production | Executive Producer | 8 |
Rebecca Riordan | Crew | Production | Executive Producer | 8 |
 Adam Copeland | Cast | Actor | Ares | 3 |
 Alessandro Juliani | Cast | Actor | Transit Cop #1 | 1 |
 Andrew McIlroy | Cast | Actor | Administrator | 1 |
 Garfield Wilson | Cast | Actor | Leneus | 1 |
 Glynn Turman | Cast | Actor | Mr. Brunner / Chiron | 4 |
 Hiro Kanagawa | Cast | Actor | Headmaster | 2 |
 Jason Gray-Stanford | Cast | Actor | Maron | 1 |
 Jay Duplass | Cast | Actor | Hades | 1 |
 Joyce Robbins | Cast | Actress | Fate #1 | 1 |
 Julian Richings | Cast | Actor | Procrustes | 1 |
 Kathleen Duborg | Cast | Actress | Helena | 1 |
Lance Reddick | Cast | Actor | Zeus | 1 |
 Lin-Manuel Miranda | Cast | Actor | Hermes (uncredited) | 1 |
 Megan Mullally | Cast | Actress | Mrs. Dodds / Alecto | 3 |
 Nick Boraine | Cast | Actor | Kronos | 1 |
 Suzanne Cryer | Cast | Actress | Echidna | 1 |
 Ted Dykstra | Cast | Actor | Augustus | 1 |
 Timm Sharp | Cast | Actor | Gabe Ugliano | 4 |
 Timothy Omundson | Cast | Actor | Hephaestus | 1 |
 Toby Stephens | Cast | Actor | Poseidon | 2 |
 Darla Fay | Cast | Actress | Cashier | 1 |
 Jason Mantzoukas | Cast | Actor | Mr. D / Dionysus | 3 |
 Jennifer Shirley | Cast | Actress | Oracle | 1 |
 Simon Chin | Cast | Actor | Super (Eddie) | 1 |
 Jessica Parker Kennedy | Cast | Actress | Medusa | 1 |
 Virginia Kull | Cast | Actress | Sally Jackson | 4 |
 Valencia Budijanto | Cast | Actress | Nancy's Friend #2 | 1 |
 Manoj Sood | Cast | Actor | Principal | 1 |
 Winson Won | Cast | Actor | Dad | 1 |
Julia Lee | Cast | Child #1 | 1 | |
Cindy Piper | Cast | Actress | Fate #3 | 1 |
 Ryan Cowie | Cast | Actor | Chaperone | 2 |
 Bola Omodara | Cast | Actor | Security Guard | 1 |
 Aryan Simhadri | Cast | Actor | Grover Underwood | 8 |
 Charlie Bushnell | Cast | Actor | Luke Castellan | 4 |
Ely Jackson | Cast | Actress | Transit Cop #2 | 1 |
 Azriel Dalman | Cast | Actor | Young Percy Jackson | 4 |
 Leah Sava Jeffries | Cast | Actress | Annabeth Chase | 8 |
 Dior Goodjohn | Cast | Actress | Clarisse La Rue | 3 |
 Sara Southey | Cast | Actress | Tisiphone | 1 |
 Walker Scobell | Cast | Actor | Percy Jackson | 8 |
Gayle Yamamoto | Cast | Actress | Mom | 1 |
Billy Christos Jr. | Cast | Actor | Snickering Kid #1 | 1 |
Peyton Amelia Feltham | Cast | Actress | Nancy's Friend #1 | 1 |
 Jelena Milinkovic | Cast | Nereid (uncredited) | 1 | |
Malcolm Anthony Clarke | Cast | Actor | Snickering Kid #2 | 1 |
Jenaya Ross | Cast | Asphodelian | 1 | |
 Olivea Morton | Cast | Actress | Nancy Bobofit | 1 |
Mateo Deuma | Cast | Kid #3 | 1 | |
| Person | Type | Job | Role(s) | Episodes |
