
Rachel Thomas was a Welsh character actress, who almost always played the stereotypical Welsh mother or grandmother, and appeared regularly on both Welsh and English language television.
She appeared in such classic films as "The Proud Valley "(1940) with Paul Robeson, "Blue Scar" (1949) and "Tiger Bay" (1959). In 1954 she was part of the original BBC Radio cast of Dylan Thomas' radio play "Under Milk Wood", playing the roles of Rosie Probert, Mary Ann Sailors and Mrs. Willy Nilly and went on to play Mary Ann Sailors again in the 1972 film version.

Tiger Bay
1959 · as Mrs. Parry

Undercover
1943 · as Maria Petrovitch

The Captive Heart
1946 · as Mrs. Evans

The Halfway House
1944 · as Miss Morgan - Landlady

The Proud Valley
1940 · as Mrs. Parry

Catacombs
1965 · as Christine

Valley of Song
1953 · as Mrs. Lloyd

Under Milk Wood
1992 · as Rosie Probert / Mary Anne Sailors / Mrs Willy Nilly (voices) (archive sound)

The Life and Times of David Lloyd George
1981 · as Mrs Richard Owen

After the Funeral
1960 · as Aunty Blodwen

Blue Scar
1949 · as Gwyneth Williams

Sea Song
1974 · as Lil Carter

David
1951 · as Mrs. Morgan

The Clock
1986 · as Mari