Christine Ebersole is an American actress and singer. She has appeared in film, television, and on stage. She starred in the Broadway musicals 42nd Street and Grey Gardens, winning two Tony Awards. In 1984, she appeared as Caterina Cavalieri in the Academy Award, BAFTA Award, Golden Globe Award, and Directors Guild of America Award-winning period biographical drama film Amadeus.

42nd Street is a 1980 stage musical with a book by Michael Stewart and Mark Bramble, lyrics by Al Dubin and Johnny Mercer and music by Harry Warren. The 1980 Broadway production won the Tony Awards for Best Musical and Best Choreography and it became a long-running hit. The show was also produced in London in 1984 and its 2001 Broadway revival won the Tony Award for Best Revival.