- 2002: Portrays Iris Wildthyme in the made-for-CD audio production "THE PLAGUE HERDS OF EXCELIS", part of Big Finish Productions' Adventures of Bernice Summerfield series, an audio spin-off of "Doctor Who" (1963) on which Manning co-starred in the 1970s.
- 2002: Portrays Iris Wildthyme in the Doctor Who audio drama "Excelis Dawns" for Big Finish Productions.
- Provided a commentary for the Doctor Who DVD of "The Three Doctors".
- Provided a commentary for the Doctor Who DVD "Carnival of Monsters".
- Provided a commentary for the Doctor Who DVD "The Green Death".
- Provided a commentary for the Doctor Who DVD "The Claws of Axos".
- Provided a commentary for the Doctor Who DVD "Planet of the Daleks".
- Provided a commentary for the Doctor Who DVD "Frontier in Space".
- Provided a commentary for the Doctor Who DVD "The Curse of Peladon".
- (2011) Provided a commentary for the Doctor Who DVD "Colony in Space".
- (2012) Provided a commentary for the Doctor Who (1963) DVD "The Dæmons".
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