Graham Crowden as Professor Millar

Leonard Rossiter as Vincent Potter

Malcolm McDowell as Mick Travis

Joan Plowright as Phyllis Grimshaw

Mark Hamill as Red: The Media

Jill Bennett as Dr. MacMillan

Brian Pettifer as Biles

John Moffatt as Greville Figg

Fulton Mackay as Chief Superintendant Johns

Robin Askwith as Ben Keating

Barbara Hicks as Miss Tinker

Peter Jeffrey as Sir Geoffrey

Catherine Willmer as Dr. Houston

Dave Atkins as Sharkey

John Bett as Lady Felicity

Marcus Powell as Sir Anthony Mount

Richard Griffiths as Cheerful Bernie

Liz Smith as Maisie

Robbie Coltrane as Picket

Alan Bates as Macready

Mary MacLeod as Casualty Sister

Gladys Crosbie as H. R. H.

Marsha Hunt as Nurse Amanda Persil

Vivian Pickles as Matron

Pauline Melville as Clarissa

Ram John Holder as Radical

Rufus Collins as Odingu: The Radicals

Frank Grimes as Sammy / Voice of Genesis: The Media

Peter Machin as Peter Mancini: The Media

Jim Findley as Aide: The Radicals

Kevin Lloyd as Picket: The Radicals

Robert Pugh as Picket: The Radicals

Dandy Nichols as Florrie: The Workers

Glenn Williams as Whooley: The Workers

Brian Glover as Painter: The Workers

Mike Grady as Painter: The Workers

Tony Haygarth as Fraser: The Workers

Jagdish Kumar as Sen: The Workers

Patrick Durkin as Blodgett: The Workers

Paddy Joyce as Feeney: The Workers

Dave Hill as Jeff

Charmian May as Miss Diamond

Valentine Dyall as Mr Rochester

Roland Culver as General Wetherby

Betty Marsden as Hermione

Adele Strong as Old Lady

Val Pringle as President Ngami

Robert Lee as Mr. Banzai

Errol Shaker as Captain Mbwami

Alan Penn as Padre

Robin Davies as Adrian

John Gordon Sinclair as Gregory

Bob Hornery as BBC Cameraman

David Daker as Guest Patient

Arthur Lowe as Guest Patient

T. P. McKenna as Theatre Surgeon

Michael Medwin as Theatre Surgeon

Edward Hibbert as Theatre Surgeon

Peter Holmes as Theatre Surgeon

Salmaan Peerzada as Theatre Surgeon

Barbara Flynn as Private Nurse

Maggie Ollerenshaw as Miss Rowntree

Elizabeth Bennett as Nurse / Demonstrator

Patsy Byrne as Nurse

James A. Stephens as Demonstrator