He was the first actor to play Davros, the mad scientist and creator of the Daleks, in
Doctor Who (1963) or
Doctor Who (2005). He played the character in the serial
Genesis of the Daleks: Part One (1975). He was asked to play Davros again in both
Destiny of the Daleks: Episode One (1979) and
Resurrection of the Daleks: Part One (1984) but stage tours prevented him from
reprising the role. He was succeeded in the role by
David Gooderson,
Terry Molloy and
Julian Bleach.