Brian Protheroe nació el 16 de junio de 1944 en Salisbury, Wiltshire, Inglaterra. Es un actor, conocido por Superman (1978), Norte y Sur (2004) y Spooks (2002). Está casado con Gilly Nash.
He starred in the Bertolt Brecht play, "The Caucasian Chalk Circle," at the Northcott Theatre in Exeter, England with Bob Hoskins, Roy Marsden, Rhys McConnochie, Nick Brimble, Janet Dale, Robert Lindsay, Janette Legge, Diana Raworth, directed by Jane Howell.
