Kit Connor will lead the cast of ‘One Of Us’.

The ‘Heartstopper’ actor will also be joined by Callum Woodhouse, Charlotte Hope, Siobhan Fallon-Hogan and Ian Beattie in the horror mystery, which will mark the debut of writer-and-director Stefan van de Graaff.

The 19-year-old star will plays Youngest in the allegorical film, in which he must search for the stranger in the group when members of a family begin dying one by one at a funeral.

‘One of Us’ will be produced by Raquel Baldwin, with Robert Machoian co-producing and director Stefan also executive-producing.

Filming is due to begin in Northern Ireland later this month.