Suggestions by @jackgaffney

Madeleine McGraw

as Bianca di Angelo in Riordanverse

Richard Madden

as Phorkys in Riordanverse

Shelby Bain

as Juniper in Riordanverse

Holland Roden

as Arachne in Riordanverse

John Krasinski

as Briares in Riordanverse

Carter Musselman

as Sean in Riordanverse

Blake Talabis

as Tucker in Riordanverse

Wolfgang Schaeffer

as Felix in Riordanverse

Asa Butterfield

as Lee Fletcher in Riordanverse

Jeffrey Dean Morgan

as Nereus in Riordanverse

Daniel Diemer

as Tyson in Riordanverse

Jessica Sula

as Kampe in Riordanverse

Haley Lu Richardson

as Echidna in Riordanverse

Zendaya

as Juniper in Riordanverse

Erika Prevost

as Drew Tanaka in Riordanverse

Allie Goodbun

as Echo in Riordanverse

Zac Vran

as Narcissus in Riordanverse

Tasneem Roc

as Rhea Silva in Riordanverse

Richard Brancatisano

as Tiberinus in Riordanverse

Kip Gamblin

as Antaeus in Riordanverse