- Anthony Stewart Head - Chiron
- Stanley Tucci - Mr. D / Dionysus
- Nathan Fillion - Hermes
- Robert Maillet - Polyphemus / Laistrygonian
- Ron Perlman - Polyphemus (voice)
- Connor Dunn - Tereus
- Alisha Newton - Young Annabeth
- Bjorn Yearwood - Young Grover
- Samuel Braun - Young Luke
- Mary Birdsong - Gray Sister #1
- Yvette Nicole Brown - Gray Sister #2
- Missi Pyle - Gray Sister #3
- Octavia Spencer - Martha (voice)
- Christopher Redman - Reardon
- Jordan Weller - Ichneutae
- Camille Atebe - Harpy Barista
- Anthony Shim - Barista - Hecatonshire
- Robert Knepper - Kronos
- Richard Yearwood - Ganymede
- Derek Mears - Cyclops #1
- Aleks Paunovic - Cyclops #2
- Maxine Miller - Parcel Store Customer
- Shohreh Aghdashloo - Oracle (voice)
- Craig Robinson - George (voice)
-
Sherry Hormann
-
Bernd Eichinger, Peter Reichard
-
Martin Moszkowicz
Capítulo disponible en las siguientes plataformas:
