Fionn Whitehead is excellent as the never-named anti-hero known only as HIM.
Sunday Telepgraph on Him
There’s a naturalness and a genuineness to the way Fionn performs that’s extraordinary.
Whitehead is clearly quite the discovery, a young actor with desperate eyes and an early ability to access so many levels.
Variety on The Children Act
Fionn Whitehead is an abundantly-talented actor.
Metro on Natives