Elizabeth "Lizzie" Mickery is a British writer and former actress. Her television acting credits include her role as Maggie Thorpe in the BBC television drama series Tenko, roles in Emmerdale Farm, Juliet Bravo, Lovejoy, Heartbeat, Woof!, The Merryhill Millionaires, Dogfood Dan and the Carmarthen Cowboy and Holby City. Since 2000 she has worked exclusively as a writer, usually credited in this capacity as Lizzie Mickery, for various British TV series such as Byker Grove, The Bill, Heartbeat, Pie in the Sky, Sunburn, Harbour Lights, The Ice House, The Beggar Bride and The Inspector Lynley Mysteries. She also wrote Messiah, Messiah 2 and Messiah 3 for the BBC. One-off dramas include Sinners, Every Time You Look At Me, and Dirty War which she co-wrote with writer-director Daniel Percival. They have subsequently written the conspiracy thriller The State Within, which was nominated for two Golden Globes in 2008. Instinct, a two-part thriller that was shown on ITV in 2007 was also written by her. In 2008 she wrote the screenplay for the BBC drama The 39 Steps, an adaptation of the John Buchan novel The Thirty-Nine Steps.