Suggestions by @lolly

Alice Englert

as Calypso in Heroes Of Olympus

Phoebe Tonkin

as Zoë Nightshade in Heroes Of Olympus

Dwayne Johnson

as Atlas in Heroes Of Olympus

Abigail Breslin

as Bianca Di Angelo in Heroes Of Olympus

Alisha Newton

as Hestia in Heroes Of Olympus

Alexander Koch

as Percy Jackson in Heroes Of Olympus

Sarah Wayne Callies

as Sally Jackson in Heroes Of Olympus

David Henrie

as Thanatos in Heroes Of Olympus

Natalie Dormer

as Iris in Heroes Of Olympus

Chris Wood

as Eros in Heroes Of Olympus

Lindsey Shaw

as Persephone in Heroes Of Olympus

Molly C. Quinn

as Ella in Heroes Of Olympus

Molly Cooper

as Ella in Heroes Of Olympus

Ben Affleck

as Hermes in Heroes Of Olympus

Nathan Fillion

as Hermes in Heroes Of Olympus

John C. Reilly

as Hephaestus in Heroes Of Olympus

Ian Somerhalder

as Ares in Heroes Of Olympus

Chris Zylka

as Apollo in Heroes Of Olympus

Luke Evans

as Hades in Heroes Of Olympus

Wes Bentley

as Zeus in Heroes Of Olympus