One of the Castles’ films, The Whirl of Life, has been made available in its entirety by the New York Public Library, in its Digital Collections.
http://digitalcollections.nypl.org/items/ad1ed8f0-f875-0130-26af-3c075448cc4b
It was directed by Oliver D. Bailey, and produced by Cort Film Corp., with a screenplay by Catherine Carr, based on a story by Vernon Castle.
Performers : Vernon and Irene Castle (playing themselves), Kate Blanks (Mrs. Foote, Irene’s mother), William Carleton, Sr. (Dr. Foote, Irene’s father), Arthur Stanford (John Crosby), Edward Cort (the gangster), and others.
The featured image for this post was also provided by the New York Public Library Digital Collection.
Fascinating Rhythms 