- Author:
- Robert Louis Stevenson
- Adapted by:
- Lance Sieveking
- Producer:
- Hugh Stewart
- Dr. Jekyll and Mr. Hyde:
- Raymond Lovell
- Hyde's Housekeeper:
- Louise Hampton
- Mr. Utterson:
- Austin Trevor
- Dr. Lanyon:
- Gordon McLeod
- Mr. Enfield:
- Laidman Browne
- The Maid:
- Lesley Osmond
- Poole:
- Wilfred Walter
- Other parts played by:
- Frank Cochrane
- Other parts played by:
- Stanley Groome
- Other parts played by:
- Cyril Gardiner
- Other parts played by:
- Foster Carlin
- Other parts played by:
- Freda Falconer
- Other parts played by:
- Robert Raikes