A lighthouse keeper and his wife living off the coast of Western Australia raise a baby they rescue from an adrift rowboat.

Michael Fassbenderas Tom Sherbourne
Alicia Vikanderas Isabel Sherbourne
Rachel Weiszas Hannah Roennfeldt
Bryan Brownas Septimus Potts
Jack Thompsonas Ralph Addicott
Caren Pistoriusas Adult Lucy-Grace
Anthony Hayesas Sergeant Vernon Knuckey
Emily Barclayas Gwen Potts
Leon Fordas Frank Roennfeldt
Adam Arkapaw