1. Jenna Cooper: Jenna is a dedicated and passionate single mother of two children, Lucy and Max. She works as a lawyer and struggles to balance her demanding career and her responsibilities as a parent.
2. Lucy Cooper: Lucy is Jenna's teenage daughter, who is intelligent, caring, and mature beyond her years. She is navigating the challenges of adolescence and often feels the weight of her parents' separation.
3. Max Cooper: Max is Jenna's younger son, who is full of energy and has a mischievous side. He idolizes his older sister, Lucy, and looks up to her for guidance.
4. Tom Cooper: Tom is Jenna's ex-husband and the father of Lucy and Max. He is portrayed as a self-centered and irresponsible individual, who has made several mistakes in his personal and professional life.
5. Alice Cooper: Alice is Tom's new partner, who is supportive and caring towards him. She tries to bridge the gap between Tom and his children and often acts as a mediator between them.
6. Emily: Emily is a close friend of Jenna's and provides emotional support and advice throughout the story. She is a single parent herself and understands the struggles that Jenna is facing.
These are the key characters that drive the narrative in "Mum's Word" and shape the dynamics of the family unit as they confront various challenges and conflicts.