The House Under the Water - Cast

Name	Episodes	Known for
Margaret Courtenay Lucrezia Tregaron Lucrezia Tregaron See fewer	8	The Good Companions (1980)
Richard Bebb Evan Vaughan Evan Vaughan See fewer	8	Blake's 7 (1978)
Carole Mowlam Philippa Tregaron Philippa Tregaron See fewer	8	Melissa (1964)
Emrys James Rob Tregaron Rob Tregaron See fewer	8	Dragonslayer (1981)
William Squire Griffith Tregaron Griffith Tregaron See fewer	7	The Lord of the Rings (1978)
Ray Smith Gerald Tregaron Gerald Tregaron See fewer	7	The Old Devils (1992)
Hira Talfrey Caterina Caterina See fewer	7	Jane Eyre (1963)
Lesley Lloyd Virginia Tregaron Virginia Tregaron See fewer	6	A Matter of Degree (1960)
Aubrey Richards Abel Pugh Abel Pugh See fewer	6	Endless Night (I) (1972)
Annest Williams Diana Tregaron Diana Tregaron See fewer	5	R3 (1964)
Patricia Mort Janet Delahaye Janet Delahaye See fewer	5	Festival (I) (1963)
Arnold Bell Sir Trevor Delahaye Sir Trevor Delahaye See fewer	4	Portrait of Alison (1955)
David Lyn Charles Lingen Charles Lingen See fewer	4	Off to Philadelphia in the Morning (1978)
June Lewis Sula Meredith Sula Meredith See fewer	4	Budgie (1971)
David Lawton Louis Wiener Louis Wiener See fewer	4	The Midnight Men (1964)
Hubert Rees Esmond Delahaye Esmond Delahaye See fewer	3	The Life and Adventures of Nicholas Nickleby (1982)
D.L. Davies Meredith Meredith See fewer	2	Ring Out an Alibi (1964)
Ian Colin Sir Arthur Weldon Sir Arthur Weldon See fewer	2	The Quatermass Experiment (1953)
Edward Evans Mr. Barradale Mr. Barradale See fewer	2	Lifeforce (1985)
Ieuan Rhys Williams Mr. Prosser Mr. Prosser See fewer	2	Barbara in Black (1962)
Otto Diamant Otto Wiener Otto Wiener See fewer	2	The Fearless Vampire Killers (1967)
Ivor Maddox Stockbroker Stockbroker See fewer	1	Saturday Playhouse (1958)
T.H. Evans Man at the Inn Man at the Inn See fewer	1	Festival (I) (1963)
Emrys Cleaver Man at the Inn Man at the Inn See fewer	1	The Wind of Heaven (1956)
W.H. Williams Man at the Inn Man at the Inn See fewer	1	How Green Was My Valley (1960)
Prysor Williams Sergeant Ambrose Sergeant Ambrose See fewer	1	Barbara in Black (1962)
Desmond Llewelyn Colonel Tregaron Colonel Tregaron See fewer	1	GoldenEye (1995)
John Gill Mr. Verona Mr. Verona See fewer	1	Doctor Who (1963)
Frederick Schiller Mr. Dagmar Mr. Dagmar See fewer	1	The Crawling Eye (1958)
Conrad Evans Mr. Parry Mr. Parry See fewer	1	How Green Was My Valley (1960)