Melanie Leishman is a Canadian actress. She is best known for portraying bespectacled Hannah B. Williams, one of the main characters on the cult comedy horror television series Todd and the Book of Pure Evil. Before that, she had a recurring role on Darcy's Wild Life as Kathi Giraldi and comedy series House Party (2008) as desperate to be popular Mandy. Other TV credits include Being Erica, Republic of Doyle and Murdoch Mysteries. She has also voiced several animated roles in series such as Detentionaire, Grojband and the Total Drama Island reboot where she voices Emma. Film roles include musical slasher Stage Fright (2014) as Liz Silver, comedy-drama The Exchange (2021) as Diane and Christmas romantic-comedy Single All the Way (2021) as Ashleigh.