Character Lal Rao Wikipedia: Lal Rao (link not verified) 1890 ◢ Appeared once in 'Canon'. Feb 1890:'The Sign of the Four' 1968 ▷ Played by Ahmed Khalil once on Television in '1968 BBC TV'. 16 Dec 1968:'The Sign of Four' 1983 ▷ Played by Moti Makan once on Television in '1983 Mapleton TV'. 07 Dec 1983:'The Sign of Four'