Not who you're looking for? Others named The Great Defender: television series
The Great Defender is a 1934 British mystery film directed by Thomas Bentley and starring Matheson Lang, Margaret Bannerman and Arthur Margetson. It was written by John Hastings Turner, Paul Perez and Marjorie Deans, and shot at Welwyn Studios in Hertfordshire with sets designed by the art director John Mead.