Los Angeles, June 12 -- Andrew Richardson, Zubin Varla and Adam Young have come on board for the third season of 'The Lord of the Rings: The Rings of Power'.

Richardson will be a series regular, while Varla and Young will appear in recurring roles in Prime Video's show, according to Variety.

Richardson, a British actor with an extensive resume of stage roles, previously appeared in films such as "Daughter of the Bride," "The Independent," "Jack London's Martin Eden" and "Killer Among Us." His television credits include "Extraplotations," "Fantasy Island" and "The Last O.G."

Varla, also hailing from the U.K., has already been credited with voice work in "The Rings of Power." Some of his previous TV credits include "Andor," "Holby City,"...