Professor Grisenko is a fictional character portrayed by David Warner in the TV series Doctor Who.
In the first episode they appeared in, titled Cold War (season 7), they were 71 years old.
They appear in 1 episodes out of a total of 166 aired
Episodes1
Cold War
episode S7.E9 april 2013The doctor and Clara find themselves on a Russian cold war submarine that is falling to the bottom of the ocean because of an attack by a rogue Martian warrior, that 's still aboard.