The 29-year-old alleges the model, who is a former Miss Ohio, conspired with Narain to distribute the tape.
Farrell's lawyer Paul Berra confirms, "Smith is now a main focal point of the case."
Narain is also a defendant in the lawsuit according to Hollywood website TMZ.com.
Smith appeared as a model on The Price Is Right in 2004 and also has a law degree from the University Law School in Chicago, Illinois.
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