Peter Asher

as Charles, The Boy

Cecil Parker

as Charles, the boy's father

Eileen Herlie

as Isabel, the boy's mother

Donald Wolfit

as Willie, the boy's uncle

Eleanor Summerfield

as Kate, Willie's wife

Robert Urquhart

as Frank, Charles' brother

Dianne Foster

as Virginia, a young lady from America

Henry Hewitt

as Arthur, a cousin and clergyman

Arthur Young

as Sir George Probus, a neighbor

Fabia Drake

as Lady Probus, wife of Sir George

Philip Stainton

as Mason, a doctor

Cecil Trouncer

as Barsmith, another doctor

Russell Waters

as Green

Edwin Styles

as Bamboula

Alec Finter

as Uncle Richard

Cicely Paget-Bowman

as Aunt Theo

Basil Cunard

as Uncle Henry

Viola Lyel

as Aunt Jane

John Welsh

as Uncle James

Margot Lister

as Aunt Betsy

George Woodbridge

as Cockie

Wensley Pithey

as Sam