Alice Watson

Alice Watson was the assistant of Professor Chivers and helped him to create their time machine. She did not read fiction and did not often make jokes. Alice helped the Eleventh Doctor to defeat the Creevix and then went with Guy Taylor to travel and to meet new people. (AUDIO: The Time Machine)

Behind the scenes
The part of Alice is voiced by Jenna Coleman, who also plays Clara Oswald, another Eleventh Doctor companion.