Norman Comer, Doctor Who #130: Warriors of The Deep, 1983.     Comer was switched from Tarpok to Icthar. Not the happiest of Whoverse shoots - and not just because Doc5 Peter Davison (and travelling rug Janet Fielding) decided it was their last adventure. Doc2 Patrick Troughton had passed on The Troughton Rule. Three seasons and out. Two years later, Ashby won Bofrad in #141: Timelash, 1985, opposite Doc6 Colin Baker,