Ioan Gruffudd
Dr. Daniel Harrow

Darren Gilshenan
Dr. Lyle Fairley

Damien Garvey
Bryan Nichols

Ella Newton
Fern Harrow

Hunter Page-Lochard
Callan Prowd

Jolene Anderson
Dr. Grace Molyneux

Remy Hii
Simon Van Reyk

Anna Lise Phillips
Stephanie Tolson

Robyn Malcolm
Maxine Pavich

Faustina Agolley
Edwina Gharam

Miriama Smith
Renae Warrington

Harrison Gilbertson
James Reed

Mirrah Foulkes
Soroya Dass

Grant Bowler
Francis Chester / Francis Chester (voice)

Uli Latukefu
Jesse Walsh

Tim Ross
Dr. Ben Patterson / Ben Patterson

Diana Glenn
Mila Zoric / Mila Zoric (uncredited)

Hugh Parker
Doug Hinton

Johnathan Sharp
QIFM Staff (uncredited)

Tasneem Roc
Jill McCloud