to be added
- Third Doctor
- Alistair Gordon Lethbridge-Stewart
- Jo Grant
- Ange Barnes
- Terry Barnes
- Ian Barnes
- Mrs Barnes
- Mr Barnes
- The Dalek claims it is a lowly trooper and does not know the Dalek time-codes, which the Doctor wants for his TARDIS.
- The Dalek claims to broadcast a message to the Dalek Fleet in the Time Vortex. The Doctor says they would not be interested in coming to 1973.
- In regards to the UNIT dating controversy, this story is set in 1973, in-between Day of the Daleks and The Three Doctors.
- The Doctor suspects that Starman may have escaped from "all the mischief" the Daleks caused in the 22nd century. (TV: Day of the Daleks)
- The Doctor wants the Dalek time-codes as he is still trapped on Earth. (TV: The Three Doctors)
- Starman is able to self-destruct. (TV: Dalek)
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