Johanna Nutter started her acting career at a very young age, appearing in her father's film, Loose Associations. She received training from Warren Robertson, a renowned acting teacher, and has since been involved in various film and theatre productions.

Notably, she played the roles of Sarah Schorr in Trying and Eunice Kennedy in Jackie Kennedy: A Life. Johanna has been praised as one of Montreal's finest actors by theatre critic Pat Donnelly. Recently, she portrayed Margie Walsh in the Canadian premiere of Good People, receiving great acclaim.