Margaret Mary Foster, better known as Meg Johnson, was an English actress. Over a career spanning almost six decades, she became known for her soap opera roles as Eunice Gee in Coronation Street, Brigid McKenna in Brookside, and Pearl Ladderbanks in Emmerdale. She also appeared in musicals including Chicago and Follies.

Brookside is a British television soap opera, set in Liverpool, England, which began on the launch night of Channel 4, 2 November 1982. It ran for 21 years until 4 November 2003. It was produced by Mersey Television and conceived by Grange Hill and Hollyoaks creator Phil Redmond.