# Lisa Bowerman

lisa bowerman is a British actress who portrayed Sandra Mute, the paramedic, in the BBC One medical drama Casualty, in the first two series, and as Professor Bernice Summerfield in many Doctor Who Big Finish Productions' audio plays, as well as both directing and voicing other roles. == Career == Bowerman trained at the Bristol Old Vic Theatre School and was a regular in the first two series of BBC medical drama Casualty playing Sandra Mute, the show's first female paramedic. Her other television work includes: Dodgem, The Count of Solar, Grange Hill, The Vision Thing, Doctors, McCallum, Bad Girls and Night and Day.