John Gibb Marshall (stage name John Sessions, 1953–2020) was a British actor.
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- 1989 - Agatha Christie's Poirot, Four and Twenty Blackbirds as Radio Voice Overs (voice)
- 2006 - Agatha Christie's Marple, The Moving Finger as Cardew Pye
John Gibb Marshall (stage name John Sessions, 1953–2020) was a British actor.