Rollebesetning

• LeAnn Rimes — LeAnn Rimes (coach)
• Adam Lambert — Adam Lambert (coach)
• Guy Sebastian — Guy Sebastian
• Kate Miller-Heidke — Kate Miller-Heidke (coach)
• Sonia Kruger — Sonia Kruger
• Rita Ora — Rita Ora
• Jessica Mauboy — Jessica Mauboy
• Keith Urban — Himself - Coach
• Boy George — Boy George
• Jason Derulo — Jason Derulo (coach)
• Joel Madden — Himself - Coach
• Seal — Himself - Coach
• Delta Goodrem — Delta Goodrem
• Renee Bargh — Herself - Host
• Kelly Rowland — Kelly Rowland
• Darren McMullen — Himself - Host
• Timothy James Bowen — Timothy
• Matt Gresham — Matt
• Johnny Manuel — Johnny
• Stephanie Cole — Stephanie
• Adam Ludewig — Adam
• Despina Savva — Despina
• Mark Furze — Mark
• Alex Weybury — Alex
• Lyric McFarland — Lyric
• Elyse Sene-Lefao — Elyse
• Chris Sebastian — Chris
• Angela Fabian — Angela
• Masha Mnjoyan — Masha
• Siala Robson — Siala
• Clarissa Spata — Clarissa
• Virginia Lillye — Virginia
• Jesse Teinaki — Jesse
• Steve Clisby — Steve
• Stellar Perry — Stellar
• Goldi — Goldi
• Faustina Agolley — Herself - Reporter
• Ricki-Lee — Herself - Team Seal Mentor
• Benji Madden — Himself - Coach
• Darren Hayes — Himself - Team Delta Mentor
• Megan Washington — Herself - Team Keith Mentor
• Ricky Martin — Himself - Coach
• Jessie J — Herself - Coach
• Joe Jonas — Himself
• Diana Rouvas — Diana Rouvas
• Mitch Paulsen — Mitch Paulsen
• Jordan Anthony Rabbone — Jordan Anthony Rabbone
• Rebecca Selley — Rebecca Selley
• Natasha Stuart — Natasha Stuart
• Jack Vidgen — Jack Vidgen
• Denzel — Denzel
• Lara Dabbagh — Lara Dabbagh
• Zeek Power — Zeek Power
• Chynna Taylor — Chynna Taylor
• Daniel Shaw — Daniel Shaw
• Elsa Clement — Elsa Clement
• Lee Harding — Lee Harding
• Madi Krstevski — Madi Krstevski
• Sheldon Riley — Sheldon Riley