Maxil was portrayed by Colin Baker, who later became the Sixth Doctor. Maxil was to have appeared in The Five Doctors but was dropped due to Baker being unavailable. A myth later arose that this was as a result of Baker being chosen to succeed Peter Davison as the Doctor; however, in fact Baker wasn't offered the role of the Sixth Doctor until June 1983, months after Five Doctors was filmed.
Maxil shoots the Fifth Doctor at one point during Arc of Infinity. As a result, Baker has often joked that he gained the role of the Doctor by shooting the incumbent.
Justin Richards had suggested that, in The Inquiry, Maxil should be revealed as the Sixth Doctor, who chose to remain on Gallifrey in the timeline in which Minyos was not destroyed by the time bomb. However, Gary Russell felt that this development would be too complicated.[source needed]