- Acting: Miles was a classically trained actor, internationally renowned for his skill.
- Computer Operation
- Disguise: A natural side-effect of his acting career, Double frequently disguised himself in order to gain information.
- Hand-to-Hand Combat (Advanced)
- 6 Appearances of Miles Duncan (New Earth)
- 2 Images featuring Miles Duncan (New Earth)
- Quotations by or about Miles Duncan (New Earth)
- Character Gallery: Miles Duncan (New Earth)