Anna Massey
— Virginia Fly
Noel Dyson
— Mrs Fly
Richard Wilson
— Professor
Avis Bunnage
— Mrs Thompson
Bruce Boa
— Charlie Oakhampton
Bruce Montague
— Geoffrey Wysdom
George Pravda
— Inigo Schrub
David Ashford
— Ulick Brand
Carolyn Pickles
— Jenny
Roger Llewellyn
— Alan Battersea
Diana Berriman
— Imogen Brand
Maurice Thorogood
— Mysterious Stranger
Shelagh Gallwey
— Pianist
Nigel Nevinson
— Inside Man Cameraman
David Hirst
— Inside Man Asst. Cameraman
Terence Conoley
— Inside Man Sound Recordist