Billie Eilish’s mom acted in an episode of Friends alongside Matt LeBlanc! Maggie Baird played “Joey’s” casting director in an episode during Season 6 where Joey loses his insurance.
Eilish’s mom has also appeared in Walker Texas Ranger, X Files, Curb Your Enthusiasm, The West Wing, Charmed, among other films and television shows. Her last credited role was in 2016 for a short called I Am Be.
Eilish’s dad, Patrick O’Connell, is also an actor. He appeared in The West Wing along with projects like Iron Man, Supergirl, and Without A Trace. His last credited role was in 2016 for voicing a video game called Hitman.