as

Ethan Barnett / Younger Ethan

as

Cody

as

Max

as

Percy

as

Little Dirk

as

The Son

as

Tyler

as

Young Percy Jackson

as

Gavin

as

Willie

as

Sonny Child

as

Noah Bailey

as

Charlie

as

Remi

as

Neptune (voice)

as

John Christopher

as

Ben (6 Years Old)

as

Mac

as

Sawyer / Kitten

as

Tom

as

Miles Morgan

as

Kit

as

Goblin #3