Megan (Something Borrowed)

Megan  was a female human who lived in Cardiff in the 21st century. She was one of Gwen Cooper's friends and a bridesmaid at her wedding, along with Trina. When she went to find Mervyn, another guest, she discovered his body in a room and ran off screaming. Ianto Jones was sent after her, but failed to stop her. She screamed 'Murder!' to the entire party. She witnessed the Nostrovite attack and was last seen Retconned at the reception. (TW: Something Borrowed)