William J. Regan
Billy 'Red' Regan (voice)
EpisodeS4E2811 min2017-08-02
Teen Titans Go!
The Day the Night Stopped Beginning to Shine and Became Dark Even Though It Was the Day - Chapter Two: The Story in Your Eyes
Without Cyborg, Beast Boy feels lost and sets out to find himself, but ends up meeting a music legend.
Crew
Episode-specific crew credits.
