Episode Detail: Simon Redux - Haunted
When he discovers that Frank is investigating his past, an angry Simon (John Mann) vows to disrupt Frank's present---by “stepping into” the body of Laura's new beau (Eddie Cahill). Frank learns surprising information about the ghostly fiend, but his fears that Simon will harm Laura may curtail the investigation. Green Day's Billie Joe Armstrong has a cameo as a gambler who gives Frank advice on betting the horses. Frank: Matthew Fox. Marcus: Russell Hornsby. Laura: Lynn Collins.