Wendy Byrde is a fictional character from the television series Ozark, portrayed by actress Laura Linney. She is the wife of Marty Byrde, a financial planner who becomes involved in money laundering for a drug cartel. Throughout the series, Wendy evolves from a supportive spouse to a more assertive and strategic player in the family's criminal activities. Wendy is known for her intelligence and resourcefulness, often making difficult decisions to protect her family. As the series progresses, she becomes increasingly involved in the operations of the Ozark region, showcasing her ability to navigate complex situations and manipulate others to achieve her goals.