John Mills as Masterman Finsbury

Ralph Richardson as Joseph Finsbury

Michael Caine as Michael Hubert Gregory Finsbury

Peter Cook as Morris Finsbury

Dudley Moore as John Finsbury

Nanette Newman as Julia Finsbury

Tony Hancock as Detective

Peter Sellers as Doctor Pratt

Cicely Courtneidge as Major Martha

Wilfrid Lawson as Peacock

Thorley Walters as Patience

Gerald Sim as 1st Undertaker

Peter Graves as Military Officer

Irene Handl as Mrs. Hackett

Norman Bird as Clergyman

John Le Mesurier as Doctor Slattery

Hilton Edwards as Lawyer

Norman Rossington as 1st Rough

Diane Clare as Mercy

Tutte Lemkow as Strangler

Jeremy Lloyd as Brian Allen Harvey

James Villiers as Sydney Whitcombe Sykes

Graham Stark as Ian Scott Fife

Dick Gregory as Leicester Young Fielding

Nicholas Parsons as Alan Frazer Scrope

Willoughby Goddard as James Whyte Wragg

Valentine Dyall as Oliver Pike Harmsworth

Leonard Rossiter as Vyvyan Alistair Montague

Hamilton Dyce as Derek Lloyd Peter Digby

Timothy Bateson as Clerk

Donald Oliver as Gunner Sergeant

Totti Truman Taylor as Lady at Launching

Jeremy Roughton as Bugler

Frank Singuineau as Native Bearer

Michael Lees as Young Digby

Avis Bunnage as Queen Victoria

Gwendolyn Watts as Maidservant

Vanda Godsell as Mrs. Goodge

Marianne Stone as Spinster

John Junkin as 1st Engine Driver

Roy Murray as Stoker

Donald Tandy as Ticket Collector

Lionel Gamlin as 2nd Engine Driver

Martin Terry as Stoker

Michael Bird as Countryman

George Selway as Railway Vanman

Josef Behrmann as Railway Vanman

Thomas Gallagher as 2nd Rough

Charlie Bird as Bonn's Vanmen

Tony Thawnton as 2nd Undertaker

Reg Lye as 3rd Undertaker

George Spence as Workman in Road

Penny Brahms as Twittering Female on the Moors

Andrea Allan as Girl on Train

David Lodge as Corpse Remover

Juliet Mills as Mannish Woman on Train

André Morell as Club Butler

Maria Kazan as Twittering Female on the Moors