William Bradford Hall (born March 21, 1958) is an American actor, comedian and filmmaker. He appeared on Saturday Night Live from 1982 to 1985 and created the sitcoms The Single Guy and Watching Ellie.

Hall was a producer, writer, and director on the Golden Globe winning sitcom Brooklyn Bridge, for which he received a Primetime Emmy Award nomination.^[2] He has appeared in various motion pictures, most notably the 1986 cult classic Troll and as Nancy Allen's boyfriend in 1989's Limit Up. In 2012, he directed Picture Paris, which appeared at the Tribeca Film Festival.^[3] He also has guest-starred on series such as Parks and Recreation, Brooklyn Nine-Nine, and Curb Your Enthusiasm.^[4]

Hall was born and raised in Santa Barbara, California. He was an avid surfer as a child, saying that he "learned how to surf as soon as I could walk."^[5]

Hall is married to actress Julia Louis-Dreyfus, whom he met while both were attending Northwestern University in Evanston, Illinois.^[6] They met in a comedy troupe that Hall started, called The Practical Theater.^[5] They both performed on Saturday Night Live from 1982 to 1984, appeared together in Troll (1986), and guest-starred together on two episodes of Curb Your Enthusiasm. They have two sons, Henry (b. 1992) and Charles (b. 1997).^[6]

• Mike Phillips, friend of El Dorko (Gary Kroeger)
• The Human Stapler, a superhero who uses his hands to bind his victims (a member of The Interesting Four)
• Larry Rolans, the host of Larry's Corner