Marion Bell is a character appearing in the episode Picture of Innocence of the ITV crime drama Midsomer Murders.
Marion is a former fling of DCI Tom Barnaby, who dumped to continue the rest of her life's relationships. She briefly settled down with Lionel Bell and had a daughter, Philomena Bell, but Marion ran off to Spain with a yoga instructor. Marion returned to see Philly and wanted to be with Lionel again, but Philly chased her away because she didn't want to see another rocky relationship.
When Marion and Barnaby were doctored into the same photo, she became relevant to a case. Once the case was solved, Marion returned to reunite with her family and take a farcical photo with Barnaby to try and preserve the memory.