- Morris Ankrum
- Professor Rutledge
- Carla Balenda
- Betty Leonard
- John George
- Kolb
- Steven Geray
- Otto Helgaard
- Glen Gordon
- Dr. Fu Manchu
- Clark Howat
- Dr. John Petrie
- Laurette Luez
- Karamaneh
- Lester Matthews
- Sir Dennis Nayland Smith
- Leonard Strong
- Professor Hugh Yan
