William Gaminara

 (born 21 January 1956 ) voiced several characters for Big Finish Productions including Lord Alfred de Souza in the Lady Christina audio series.

He is best known for playing Professor Leo Dalton in Silent Witness alongside Emilia Fox.

Fourth Doctor Adventures

 * Chase the Night - Engineer Terson

Lady Christina

 * Skin Deep - Lord Alfred de Souza
 * The Wreck - Lord Alfred de Souza