Fackham Hall

Damian Lewis

Lord Davenport

Katherine Waterston

Lady Davenport

Thomasin McKenzie

Rose

Ben Radcliffe

Eric

Tom Felton

Archibald

Emma Laird

Poppy

Tom Goodman-Hill

Inspector Watt

Ramon Tikaram

Darvesh Khalid

Tim McMullan

Cyril

Anna Maxwell Martin

Mrs McAllister

Sue Johnston

Great Aunt Bonaparte

Hayley Mills

Rose Davenport (voice)