Who's who in the inauguration ceremonies

Pop superstar Jackie Evancho, who called it an "honor" to perform at the inauguration, will sing the National Anthem. (AP)

U.S. Supreme Court Chief Justice John Roberts will administer the oath of office to President-elect Donald Trump. (Reuters)

Supreme Court Justice Clarence Thomas will swear in Vice President-elect Mike Pence. (Reuters)

Broadcaster Steve Ray will be the announcer for the presidential inaugural parade, replacing Charlie Brotman, who has done the honors since 1957. (FOX 5)

The Rev. Paula White, pastor of New Destiny Christian Center in Orlando, Fla., will deliver the invocation.