Marko (Seven Keys to Doomsday)

 was Tara's brother. He was taken prisoner by the Daleks. (AUDIO: Seven Keys to Doomsday)

Behind the scenes

 * On this wiki stage plays are not valid sources; therefore only information from the audio adaptation of Doctor Who and the Daleks in Seven Keys to Doomsday appears on this page.
 * During the original run of the Doctor Who and the Daleks in Seven Keys to Doomsday stage play, Marko was played by Robin Browne.