David Hemmings as Tim Brett

Gayle Hunnicutt as Juliet Bristow

Wilfrid Hyde-White as Mr. Copsey

Flora Robson as Lucy Dawson

Adolfo Celi as Signor Bardoni

Roland Culver as Mr. Vellacot

Daniel Massey as Major Ricketts

Mona Washbourne as Mrs. Gray

Arthur Lowe as Mr. Nugent

Yootha Joyce as Miss Ward-Cadbury

Derek Newark as Sgt. Matthews

Patricia Hayes as Mrs. Baird

Mary Wimbush as Bunface

Philip Stone as CID Sergeant

Glynn Edwards as CID Superintendent

Massimo Sarchielli as Mario

Angelo Infanti as Bruno

Bernard Archard as Priest

Kenneth Cranham as Joe

Michael Rothwell as Rocky

Petra Markham as Schoolgirl

Georgina Moon as Schoolgirl

Lois Hyett as Schoolgirl

John Rae as Uncle Stanley

Edward Kemp as Kenny

Hilda Barry as Miss Dacey

Kurt Christian as Nino

Jessica Dublin as American Matron

Louise Lambert as American Matron

Richard Kerr as Pop Singer

A London Pigeon as Columbus

Mabel Etherington as Poppy Seller (uncredited)

Juba Kennerley as Gent Buying Flag Pin (uncredited)

Zakes Mokae as (uncredited)

Maureen Nelson as Policewoman (uncredited)

Guy Standeven as Wedding Guest (uncredited)

Fred Stroud as Bar Patron (uncredited)

Reg Thomason as Barman (uncredited)

Pearl Walters as Wedding Guest (uncredited)