THE X-FILES/FOX/1993-2002 (Missing Arm & Color-Blind)
Alex Krycek (Nicholas Lea), Soviet double agent working with C. G. B. Spender, a.k.a. the Cigarette Man (William B. Davis), a mysterious operative under orders from a shadowy organization called The Syndicate.
On the episode “Terma” Krycek lost his left arm escaping villagers who tried to help him from being a test subject at the Russian chain gang excavating rock from Tunguska, Russia.
Krycek is responsible for terminating both William Mulder, the father of FBI agent Fox Mulder and Melissa Scully, the sister of FBI agent Dana Scully.
Agent Fox Mulder (David Duchovny) is red-green colored blind as revealed in episode “Wetwired.”