Casts
Benedict Cumberbatch
as Henry Clark
Lindsay Duncan
as Ice Queen
Jim Carter
as The Compere
Sophie Hunter
as Annabel Blythe-Smith
Stephen Campbell Moore
as Peter Blythe-Smith
Anna Andresen
as The Mermaid
Esmé Bianco
as Mother
Charity Wakefield
as Grace
Barbara Flynn
as Mrs. Argyle
