 He recorded DVD commentaries for "The Krotons", "The War Games" and "The Brain of Morbius" and was interviewed about his roles in "Doctor Who" in the short film "Philip Madoc - a Villain for All Seasons", which appeared as an extra on the DVD for "The Power of Kroll".He revealed in the interview that he regretted taking the final role ("The Power of Kroll") because it was a less interesting character.In 2003, he guest-starred in the "Big Finish" "Doctor Who" audio adventure "Master", and returned to Big Finish in the 2008 Sixth Doctor story "Return of the Krotons".