Sabrina Carpenter, Adam Driver, Paul McCartney and Miley Cyrus also are expected at the 50th anniversary extravaganza, as are many past cast members.

Steve Martin, Sabrina Carpenter, Bad Bunny, John Mulaney, Dave Chappelle and dozens others are preparing for the “Saturday Night Live” anniversary special.

When is the “Saturday Night Live” 50th anniversary special? Who is cast as the host? Who is returning? Find out here.

For a biography of a man whose business is comedy, Susan Morrison’s Lorne: The Man Who Invented Saturday Night Live is ...