Flavia

Molly Belle Wright

Flavia de Luce

Martin Freeman

Colonel Havilland de Luce

Toby Jones

Inspector Hewitt

Jonathan Pryce

Dr. Kissing

Annette Badland

Mrs. Mullet

Karan Gill

Dogger

Hannah New

Harriet De Luce

Jamie Beamish

Horace Bonepenny

Nicholas Burns

Max Cortezi

Private Jones

Zach Colton

Young Havilland

James 'JD Knight' Dunn

Thug 2 (as James Dunn)

Marama Corlett

Zemirah

Blake Rowden

Baby Flavia

Casey Rowden

Baby Flavia

Evelyn Teixeira

Young Ophelia

Mya Florence Rose Angus

Young Daphne

Chipo Chung

Aunt Felicity

Ariella Glaser

Ophelia de Luce

Tallulah Conabeare

Daphne de Luce