Rick Riordan Creator, Executive Producer, Writer, Writer Jonathan E. Steinberg Creator, Writer Walker Scobell Percy Jackson Actor Leah Jeffries Annabeth Chase Actor Aryan Simhadri Grover Underwood Actor Edge Ares Guest Star Timm Sharp Guest Star Timothy Omundson Guest Star Ryan Cowie Guest Star Joyce Robbins Guest Star Lanein Harrison Guest Star Cindy Piper Guest Star Bert Salke Executive Producer Dan Shotz Executive Producer Ellen Goldsmith-Vein Executive Producer James Bobin Executive Producer Jeremy Bell Executive Producer Jim Rowe Executive Producer Jon Steinberg Executive Producer Monica Owusu-Breen Executive Producer Jet Wilkinson Executive Producer, Director Daphne Olive Screenwriter Bear McCreary Original Music Sparks & Shadows Music Pierre Gill Cinematographer