Ernest Thesiger
- Date of birth:
- 1879
- Date of death:
- 1961
- Mini Bio:
- Ernest Frederic Graham Thesiger CBE (15 January 1879 - 14 January 1961) was an English stage and film actor. He is best known for his performance as Dr. Septimus Pretorius in James Whale's film Bride of Frankenstein (1935).