Former Boyzone singer Keating has sold over 25 million records worldwide with Boyzone and 20 million as a solo artist. Before joining the cast of Once, Keating has returned to Australia for a fourth year as a judge on The X-Factor.
Together with Keating and Winternitz, the cast is comprised of Fiona Bruce (Baruška), Jamie Cameron (Emcee) Mark Carlisle (Da), Matthew Ganley (Švec), Mathew Hamper (Andrej), Daniel Healy (Eamon), Loren O'Dair (Reza), Miria Parvin (Ex-Girlfriend), Tim Prottey-Jones (Billy), and Jez Unwin (Bank Manager). Alternating the role of Girl's young daughter Ivanka will be Pacha Busby, Rebecca Connolly, Tigan Hawes and Audrey Newman. David Hunter continues in the role of Guy until 15 November 2014.