Lisa Bowerman played Karra in Survival, the last televised story of the original Doctor Whoseries. However, she is better known as the voice of Professor Bernice Summerfield in the spin-off audio dramas produced by Big Finish Productions. She is also the human face of the character, appearing in publicity photographs dressed as Summerfield. Bowerman also provides the voice of Ellie Higson in the Jago and Litefoot audio series and the voice ofMurash in the I, Davros story Guilt. She has appeared in Dreamland, an animated Doctor Who series, as the voice of Seruba Velak. She has also directed many stories in Big Finish's various ranges, including being the most prolific director of the Companion Chronicles as well as being the sole director of the Jago and Litefoot series.
She was a regular in the first series of the BBC medical drama Casualty and is also a professional photographer.