Leah Sava Jeffries and Aryan Simhadri join Walker Scobell in Disney's Percy Jackson and the Olympians series

The Percy Jackson and the Olympians series coming to Disney+ has found its Grover Underwood and Annabeth Chase.

Variety reported that Aryan Simhadri will star as Grover with Leah Sava Jeffries set to play Annabeth. They join previously announced series lead Walker Scobell, who will play Percy.

The series adaptation of the Rick Riordan book series was ordered at the streamer back in January. The live-action show tells the fantastical tale of the titular 12-year-old modern demigod (Scobell), who’s just coming to terms with his newfound supernatural powers when the sky god Zeus accuses him of stealing his master lightning bolt. With help from his friends Grover and Annabeth, Percy must embark on an adventure of a lifetime to find it and restore order to Olympus.

Grover is a satyr, half boy and half goat, disguised as a 12 year old boy. He cares deeply about others and will always choose what is best for them, sometimes at his own expense. Though cautious by nature, he’ll always throw himself into a fight to protect his friends, especially his best friend Percy.

Annabeth is a true daughter of the Greek goddess, Athena. She is a brilliant strategist with an active and curious mind. After having spent the last five years at Camp Half-Blood, she longs to test her mettle in the human world, of which she barely remembers. She trains Percy to survive the mythological world, and in turn, he helps her connect with her humanity.