William Mannering
as Simon
Tilly Vosburgh
as Ella Twite
Stephen Moore
as Abednigo Twite
Jade Williams
as Dido Twite
Annette Badland
as Dolly Buckle
Celia Imrie
as Duchess of Battersea
Ronald Pickup
as Duke of Battersea
Philip Jackson
as Eustace Buckle
John Altman
as Midwink
Barry Ewart
as John Daggett
Johnny Shannon
as Samuel Cobb
Matthew Steer
as Justin
Mark Burdis
as Jeb Scrimshaw
Gemma Sealey
as Sophie
Tom Wisdom
as Fothers
John Levitt
as Dr. Furneaux
Ben Mangham
as Gus
Roger Bizley
as Captain Dark