Emlyn Williams
- National Theatre Live: The Corn Is Green
2022 Writer
- King Ralph
1991 Novel
- Past Caring
1986 Edward
- The Deadly Game
1982 Bernard Laroque
- The Corn Is Green
1979 Writer
- The Power of Dawn
1976 Writer
- The Walking Stick
1970 Jack Foil
- David Copperfield
1969 Mr. Dick
- Eye of the Devil
1966 Alain de Montfaucon
- Night Must Fall
1964 Theatre Play
- The L-Shaped Room
1962 Dr. Weaver
- Web of Evidence
1959 Enoch Oswald
- The Wreck of the Mary Deare
1959 Sir Wilfred Falcett
- I Accuse!
1958 Emile Zola
- Time Without Pity
1957 Theatre Play
- The Corn is Green
1956 Writer
- The Deep Blue Sea
1955 Sir William Collyer
- Ivanhoe
1952 Wamba
- The Magic Box
1952 Bank Manager
- The Scarf
1951 Dr. David Dunbar
- Another Man's Poison
1951 Dr. Henderson
- Three Husbands
1950 Maxwell Bard
- The Last Days of Dolwyn
1949 Director
- The Corn Is Green
1945 Theatre Play
- Hatter's Castle
1942 Dennis
- Life Begins at Eight-Thirty
1942 Writer
- Major Barbara
1941 Snobby Prince
- This England
1941 Dialogue
- You Will Remember
1941 Bob Slater
- The Stars Look Down
1940 Joe Gowlan
- Girl in the News
1940 Tracy
- Jamaica Inn
1939 Harry
- They Drive by Night
1938 Shorty Matthews
- The Citadel
1938 Additional Dialogue
- Dead Men Tell No Tales
1938 Dr. Headlam
- Night Alone
1938 Charles Seaton
- I, Claudius
1937 Caligula
- Night Must Fall
1937 Theatre Play
- Broken Blossoms
1936 Writer
- The Dictator
1935 King Christian VII of Danmark
- City of Beautiful Nonsense
1935 Jack Grey
- The Divine Spark
1935 Adaptation
- Evensong
1934 George Leary
- My Song for You
1934 Theodore Bruckner
- Road House
1934 Chester
- The Iron Duke
1934 Bates
- The Man Who Knew Too Much
1934 Additional Dialogue
- Evergreen
1934 Adaptation
- Friday the Thirteenth
1933 Dialogue
- The Frightened Lady
1932 Lord Lebanon
- Men of Tomorrow
1932 Horners
- Sally Bishop
1932 Arthur Montague
