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| Año | Título | Personaje | Valoración |
|---|---|---|---|
| 2017 | El hombre de la camisa naranja | Headmaster | ★★★★☆ |
| 2012 | ¡Llama a la comadrona! | Dr. Godfrey | ★★★★☆ |
| 2007 | Un corazón invencible | John Bauman | ★★★☆☆ |
| 2006 | Scoop | Butler | ★★★☆☆ |
| 2006 | Life on Mars | Superintendent Rathbone | ★★★★☆ |
| 2005 | Hunt for Justice | Judge Manet | ★★★☆☆ |
| 2005 | The Thick of It | Lord Goolding | ★★★★☆ |
| 2004 | Hellboy | General Klaus Werner von Krupt | ★★★☆☆ |
| 2002 | Dead Gorgeous | Senior Civil Servant | ★★☆☆☆ |
| 2002 | Plain Jane | Rev Barlow | ☆☆☆☆☆ |
| 1999 | All the King's Men | Lt. Col Proctor Beauchamp | ★★★☆☆ |
| 1999 | Historias del metro | Suicide Victim (segment "My Father The Liar") | ★★★☆☆ |
| 1996 | Half The Picture | John Major / Paul Henderson | ☆☆☆☆☆ |
| 1995 | A Very Open Prison | Arthur Hare | ★★★★★ |
| 1990 | Diamond Skulls | Inspector Orchard | ★★☆☆☆ |
| 1989 | Resurrected | Captain Sinclair | ★★★☆☆ |
| 1983 | Birth of a Nation | Mr James | ★★★★☆ |
| 1983 | El retorno del Jedi | Imperial Commander (uncredited) (unconfirmed) | ★★★★☆ |
| 1982 | Gandhi | Adjutant | ★★★★☆ |
| 1981 | Sólo para sus ojos | McGregor | ★★★☆☆ |
| 1978 | Edward & Mrs. Simpson | Lord Perry Brownlow | ★★★★★ |
| 1978 | Edward and Mrs Simpson | Lord Perry Brownlow | ★★★☆☆ |
| 1978 | Todas las criaturas grandes y pequeñas | Mr. Blenkinsopp | ★★★★☆ |
| 1977 | A Choice of Evils | Volponi's Secretary | ☆☆☆☆☆ |
| 1976 | Ready When You Are, Mr McGill | Bernard | ★★★★★ |
| 1975 | Sunset Across the Bay | Doctor | ★★★☆☆ |
| 1975 | Kill Two Birds | Turner | ☆☆☆☆☆ |
| 1973 | Blooming Youth | ☆☆☆☆☆ | |
| 1972 | Not Counting the Savages | ☆☆☆☆☆ | |
| 1972 | On Reflection: B.S. Johnson on Dr. Samuel Johnson | ☆☆☆☆☆ | |
| 1972 | The Ragman's Daughter | Borstal Barber | ★★★☆☆ |
| 1972 | Skinflicker | Georgie | ☆☆☆☆☆ |
| 1971 | Poem | voiceover | ☆☆☆☆☆ |
| 1971 | Pánico en el bosque | Chemist in Hospital | ★★★☆☆ |
| 1969 | Paradigm | Man | ☆☆☆☆☆ |
| 1969 | The Unfortunates | ☆☆☆☆☆ | |
| 1967 | You're Human Like the Rest of Them | Haakon | ★★★☆☆ |
Películas destacadas de William Hoyland
Estas son las películas más destacadas en las que ha trabajdo:
