Cast and credits of Q.E.D.

Henry Herbert

Roy Ward Baker

Don Sharp

Sam Waterston
Prof. Quentin E. Deverill (6 episodes, 1982)

George Innes
Phipps (6 episodes, 1982)

A.C. Weary
Charlie Andrews (6 episodes, 1982)

Julian Glover
Dr. Stefan Kilkiss (6 episodes, 1982)

Caroline Langrishe
Jenny Martin (6 episodes, 1982)

Paul Freeman
Professor Vincent Rep (1 episode, 1982)

Burt Kwouk
Dr. Lin (1 episode, 1982)

Ian Ogilvy
Lord Sidney Sarandon (1 episode, 1982)

Jean Anderson
Aunt Effie - Lady Euphemia Martin (1 episode, 1982)

Elizabeth Shepherd
Lady Potts (1 episode, 1982)

Cyril Luckham
Crabtree (1 episode, 1982)

Shelagh McLeod
Caroline Makepeace (1 episode, 1982)

John Vine
Gareth Makepeace (1 episode, 1982)

Pauline Quirke
Jane (1 episode, 1982)

Ann Way
Minnie (1 episode, 1982)

John Abineri
Staff Officer (1 episode, 1982)

Ronald Austin
(1 episode, 1982)

James D. Buchanan
(1 episode, 1982)

William Froug
(1 episode, 1982)

John Hawkesworth
(1 episode, 1982)

Julia Jones
(1 episode, 1982)

David Karp
(1 episode, 1982)

Jeremy Paul
(1 episode, 1982)

Robert Schlitt
(1 episode, 1982)