Simon Fuller Creator, Executive Producer Nigel Lythgoe Creator, Judge, Executive Producer Mary Murphy Judge Adam Shankman Judge Cat Deeley Host Ashleigh Di Lello Contestant Kathryn McCormick Contestant Ellenore Scott Contestant Ryan Di Lello Contestant Russell Ferguson Contestant Jakob Karr Contestant Adam Lambert Music Performer Leona Lewis Music Performer The Groovaloos Music Performer Jennifer Lopez Music Performer Mary J. Blige Music Performer Allen Shapiro Executive Producer Matthew Diamond Director