Romana, short for Romanadvoratrelundar, is a fictional character in the long-running British science fiction television series Doctor Who. A Time Lady from the planet Gallifrey, she is a companion to the Fourth Doctor.
As a Time Lady, Romana is able to regenerate, having had two on-screen incarnations with somewhat different personalities (dubbed Romana I and Romana II by fans). Romana I was played by Mary Tamm from 1978 to 1979. When Tamm chose not to sign on for a second season, the part was recast. Romana II was played by Lalla Ward from 1979 to 1981. A third incarnation of Romana has be...