William Hall is an American actor, director, trainer and mask maker in San Francisco, California.

[1] Hall first became involved in acting when he took a drama class while attending Maggie L. Walker High School in Richmond, Virginia.

He went on to obtain a Bachelor of Fine Arts in Acting from Boston University, where he was classmates with Geena Davis.

He has appeared in film and television including The Right Stuff, Twisted, Howard the Duck and Midnight Caller.

Hall is one of the founding members of BATS Improv,[3][4] an improvisational theatre, and the last remaining “OB” (original brother) of Fratelli Bologna.