Arrives on Storm Mine 4 to investigate a series of crew murders. Suspects a rogue robot, constructs a portable deactivator, sets a helium gas trap to unmask the mastermind, and ultimately shuts down the rogue Super Voc SV7 to save the remaining crew.
The first discovered victim whose death sets the plot in motion.
An early victim whose death escalates the murder investigation.
The ship's engineer whose murder provides crucial evidence for the Doctor.
The ship's commander who is temporarily suspected but remains a fellow survivor.
A suspicious crew member who becomes a victim of the psychological strain.
The hidden antagonist who orchestrates the robot uprising against the Doctor.
Primary partners who investigate the murders together and execute the final trap.
Explore the full interactive character relationship map of Doctor Who: The Robots of Death