The Doctor
Peter Davison
Tegan Jovanka
Janet Fielding
Deputy
Alison Skilbeck
The Gravis
John Gillett
Tractator
William Bowen
George Campbell
Heidi Khursandi
Michael Malcolm
Stephen Speed
Vislor Turlough
Mark Strickson
Plantagenet
Jeff Rawle
Brazen
Peter Gilmore
Norna
Lesley Dunlop
Range
William Lucas
Cockerill
Maurice O'Connell
Retrograde
Raymond Murtagh
Orderly
Richard Ashley
Director
Ron Jones
Writer
Christopher H. Bidmead