Julian Sands as Lionel Foyster

Toyah Willcox as Estelle Roberts

Colin Baker as Charles Sutton

Christopher Ellison as Basil Payne

Toby Wynn-Davies as Harry Price

Reece Putinas as Mark Kerr-Pearse

Louisa Warren as Helen Glanville

Leila Kotori as Marianne Foyster

Richard Harfst as Sidney Glanville

Lee Hancock as Roger Glanville

Primrose Bigwood as Marie

Matthew Pullum as Inspector Clay

Jake Taviner as Orderly Medic

Nicholas Taviner as Orderly Medic