Main cast •
Sigourney Weaver as June Hart, Alice's paternal grandmother who takes her in after the death of Alice's parents, but hides many secrets from her granddaughter. •
Alyla Browne and
Alycia Debnam-Carey as Alice Hart, the abused daughter of Agnes and Clem who is raised by June after her parents' death, only to face another crisis as a grown-up. Browne portrays Alice as a child, and Debnam-Carey portrays her as a young adult. •
Asher Keddie as Sally Morgan, a librarian who realizes the abuse Alice and her mother suffer, and later tries to adopt Alice before adopting Charlie. •
Leah Purcell as Twig, June's wife •
Frankie Adams as Candy Blue, June and Twig's adopted daughter •
Catherine Laga'aia as young Candy •
Alexander England as John Morgan, a policeman and Sally's husband •
Charlie Vickers as Clem Hart, Alice's abusive father, Agnes' husband and June's estranged son • Jack Latorre as young Clem Hart •
Tilda Cobham-Hervey as Agnes Hart, Alice's mother •
Sebastián Zurita as Dylan, a ranger Alice falls in love with as an adult •
Shareena Clanton as Ruby, a ranger who becomes Alice's friend •
Bree Bain as May
Guests •
Andrew McFarlane as Dr Harris •
Catherine McClements as Sarah •
Emma Lung as Nurse Brooke Jansen • Jeremy Blewitt as Charlie Morgan, Alice's brother who was adopted by Sally and John as a newborn •
Victoria Haralabidou as Jana == Episodes ==