Devious

Tony Garner

— Second-and-a-Half Doctor

Patrick Troughton

— Second Doctor (archive footage)

Jon Pertwee

— Third Doctor

Peter Tuddenham

— Voix

Hugh Lloyd

— Scribe

David Clarke

— Auriga

Anthony Townsend

— Callisto

Lynette East

— Adreinna

Stephen Cranford

— The Covellitor