Kadro (15)
Caroline JohnDr. Elizabeth Shaw
Jon PertweeDr. Jeremiah O'Kane
Sylvester McCoyDr. Colin Dove
Colin BakerPeter Russell
Mark GatissDr. William Bruffin
Louise JamesonPatricia Haggard
Linda LusardiLouise Bayliss
Sophie AldredPublic Relations OfficerDavid TerenceDaniel O'Kane / Eustace O'KaneNicola FulljamesDr. Beatrice HearstPatricia MerrickDr. Julie Gilchrist
Jonathan RigbyCummings
Alexander KirkOrderlyDaniel MillsGhostly Child Voice
Peter DavisonPatient One