Emilia Fox

Dr. Nikki Alexander, Nikki Alexander

David Caves

Jack Hodgson

William Gaminara

Professor Leo Dalton, Leo Dalton, Prof. Leo Dalton

Tom Ward

Dr. Harry Cunningham, Harry Cunningham

Liz Carr

Clarissa Mullery

Richard Lintern

Dr. Thomas Chamberlain

Amanda Burton

Sam Ryan, Dr. Sam Ryan, Professor Sam Ryan

William Armstrong

Trevor Stewart

Rhiannon Jones

Cara Connelly

Sam Parks

Fred Dale, Fred

Maggie Steed

Harriet, Maggie

Alastair Michael

Velvy Schur