Played didgeridu, an ethnic Australian wind instrument, on 2 CDs: 1. "Eating Jello With a Heated Fork" by Deviants ixvi (Alive/Total Energy) 2. "The Deathray Tapes" by Mick Farren and Jack Lancaster.
Many of his co-stars in the Lord of the Rings trilogy were under the impression that he was actually English because of the British accent he used as Grima Wormtongue throughout filming. As a method actor, he kept the accent even when he was not filming. They were shocked to hear him speak in an American accent after filming was complete. Bernard Hill believed Dourif was speaking in the worst American accent he "had ever heard in his life".
[on if he prefers to play edgier twisted characters] Well, I've been cast as them... and I like to work, so I take those roles. You know, you try to be diverse, and try to have fun and round things out.