Doppelgänger

Several times there has been characters who appear exactly like another character, as part of the story plot.


 * Salamander and The Doctor (DW: The Enemy of the World)
 * Strella and Romana I (DW: The Androids of Tara)
 * Princess Astra of Atrios and Romana II (DW: The Armageddon Factor)
 * Ann Talbot and Nyssa (DW: Black Orchid, MA: The Sands of Time)
 * Zagreus and The Doctor (BFA: Neverland, Zagreus)

Other doppelgänger-like occurrences
Not quite real doppelgängers are the times that the Master has invaded and taken over a body, but the principle of looking like someone else remains.


 * Tremas (DW: The Keeper of Traken (TV story))
 * Bruce (DW: Doctor Who: The TV Movie)

People meeting themselves;
 * The Doctor (third incarnation), The Doctor (second incarnation) and The Doctor (first incarnation) (DW: The Three Doctors)
 * The Doctor (fifth incarnation), The Doctor (first incarnation), The Doctor (third incarnation) and The Doctor (second incarnation) (DW: The Five Doctors)
 * The Doctor (sixth incarnation) and The Doctor (second incarnation) (DW: The Two Doctors)
 * The Doctor (fifth incarnation), The Doctor (sixth incarnation) and The Doctor (seventh incarnation) (BFA: The Sirens of Time)
 * The Master and Koschei (from an alternate universe) (PDA: The Face of the Enemy)
 * The Brigadier (DW: Mawdryn Undead)
 * Fitz Kreiner and Father Kreiner (EDA: The Ancestor Cell)
 * Jason Kane and a clone of himself (NA: Happy Endings)