“Tron: Legacy” thesp Beau Garrett has joined the cast of helmer-scribe Anton King’s indie “Lust for Love.”Garrett, who also appeared in the cancelled CBS series “Criminal Minds: Suspect Behavior,” will star alongside “Dollhouse” alum Dichen Lachman, Fran Kranz, Enver Gjokaj and Miracle Laurie. Aussie star Caitlin Stasey (“Tomorrow When the War Began”) also stars. “Lust for Love” tells the story of a bashful man (Kranz) who, after being dumped by his childhood crush, enlists help from the ex-girlfriend’s best friend to win her back. Garrett will play the ex-girlfriend. Jack Wylson is producing along with King. Adam J. Yeend co-produces.