凯特·麦金农

Coakley

拉什达·琼斯

Claire

戴维德·迪格斯

Greg

Jorge Vargas

Neanderthal Father - Thorn

塔纳亚·比蒂

Neanderthal Mother - Hera

天行者·休斯

Neanderthal Daughter - Lark

Rhona Rees

ROSCO (voice)

Tatyana Rose Baptiste

Neanderthal Daughter - Adult Lark

Nox Watkins

Neanderthal Son - Lucky

Tyson Night

Neanderthal Son - Adult Lucky