Betty Chancellor nació el 9 de enero de 1910 en Dublín, Irlanda. Fue una actriz, conocida por Spring Meeting (1938). Estuvo casada con Denis Johnston. Murió el 27 de abril de 1984 en Dublín, Irlanda.
She acted in the Earl of Longford's play, "Yahoo," at the Westminster Theatre in London, England with Jean Anderson and Noel Iliff in the cast. Peter Powell was director.
She played opposite Orson Welles in Welles's acting debut in "Jew Suss"
at the Gate Theatre Dublin in 1931. Welles later told his biographer, Barbara Leaming, "She was the sexiest thing that ever lived".
