George Pravda was a Czechoslovakian film and television actor.
He began his career in Czechoslovakia under his own name, and then emigrated to the United Kingdom and anglicised his name to George.
He then appeared in numerous British films and television series.
His film credits include: Operation Amsterdam (1959), The Password Is Courage(1962), Thunderball (1965), Frankenstein Must Be Destroyed (1969), Hanover Street (1979) and Firefox (1982).
As well as his three appearances in Doctor Who, other TV appearances include: No Hiding Place, The Avengers, The Saint, The Baron,The Prisoner, Special Branch, Department S, Callan, Softly, Softly, Doomwatch, Codename, Public Eye, Spy Trap, Moonbase 3, Colditz, I, Claudius,The Duchess of Duke Street, 1990, The Professionals, The Onedin Line, Tinker, Tailor, Soldier, Spy, Chessgame and Bulman.
His wife Hana Maria was also an actor.