Suggestions by @legobrick311

Troy Doherty

as Apollo in Full Riordanverse Castings

Sarah Schachner

as Composer in The Red Pyramid

Nick Boraine

as Kronos in Full Riordanverse Castings

Keith David

as Randolph Chase in Full Riordanverse Castings

Alex Lange

as Anubis in Full Riordanverse Castings

Michaela Coel

as Bast in Full Riordanverse Castings

Wes Chatham

as Coach Gleeson Hedge in Full Riordanverse Castings

Rosamund Pike

as Freya in Full Riordanverse Castings

Simon Pegg

as Frey in Full Riordanverse Castings

Seth Rogen

as Thor in Full Riordanverse Castings

John Mulaney

as Loki in Full Riordanverse Castings

Saara Chaudry

as Zoë Nightshade in Full Riordanverse Castings

Alex Brightman

as Nero (Mocap, Voice) in Full Riordanverse Castings

Piper Rubio

as Meg McCaffrey (Mocap, Voice) in Full Riordanverse Castings

Julian Hilliard

as Will Solace in Full Riordanverse Castings

Summer Fontana

as Rachel Elizabeth Dare in Full Riordanverse Castings

Tarjei Sandvik Moe

as Halfborn Gunderson in Full Riordanverse Castings

Sadie Sink

as Mallory Keen in Full Riordanverse Castings

Myles Truitt

as Thomas "TJ" Jefferson Jr. in Full Riordanverse Castings

Simon Pegg

as Jack/Summarbrandr in Full Riordanverse Castings