Peter O'Toole
Arthur Chipping
Petula Clark
Katherine Bridges
Michael Redgrave
The Headmaster
George Baker
Lord Sutterwick
Siân Phillips
Ursula Mossbank
Michael Bryant
Max Staefel
Jack Hedley
William Baxter
Alison Leggatt
Headmaster's Wife
Jenny Runacre
Clinton Greyn
Bill Calbury
Barbara Couper
Mrs. Paunceforth
Michael Culver
Johnny Longbridge
Elspeth March
Mrs. Summerswaithe
Clive Morton
General Paunceforth
Ronnie Stevens
Algie
Mario Maranzana
Pompeii Guide
John Gugolka
Sutterwick Jr.
Michael Ridgeway
David
Tom Owen
Farley
Michael Audreson
Schoolboy (uncredited)
Julian Barnes
Schoolboy (uncredited)
Pierre Bedenes
Schoolboy (singing voice) (uncredited)
Gillian Blake
Girl at Party (uncredited)
Leo Britt
Elder Master (uncredited)
Nicholas Frankau
Tardy Student (uncredited)
Gary Graham
Schoolboy (uncredited)
Elspet Gray
Lady Sutterwick (uncredited)
Patricia Hayes
Miss Honeybun (uncredited)
Mark Danvers Heron
Schoolboy (uncredited)
Barbara Knox
Dancer (uncredited)
Lawrence Lambert
Schoolboy (uncredited)
Jeremy Lloyd
Johnson (uncredited)
Craig Marriott
Schoolboy (uncredited)
Jack May
Price (uncredited)
John Moulder-Brown
Gresham (uncredited)
James Payne
Man in Theatre (uncredited)
Jeremy Ranchev
Schoolboy (uncredited)
Stephen Reed
Schoolboy (uncredited)
Robert Rietti
Jenkins (voice) (uncredited)
Sheila Steafel
Tilly (uncredited)
Royston Tickner
Policeman (uncredited)
Richard Vernon
Chairman of the Board of Governors (uncredited)
Raymond Ward
Schoolboy (uncredited)
Robert Wisepart
Head Boy (uncredited)
Ray Mitchell
Dancer (uncredited)