Vernon and Irene Castle were a husband-and-wife team of ballroom dancers and dance teachers who appeared on Broadway and in silent films in the early 20th century. They are credited with reviving the popularity of modern dancing. Castle was a stage name: Vernon was born William Vernon Blyth in England. Irene was born Irene Foote in the United States.

Ballroom dance is a set of European partner dances, which are enjoyed both socially and competitively around the world, mostly because of its performance and entertainment aspects. Ballroom dancing is also widely enjoyed on stage, film, and television.