Walter O'Brien was played by which English actor?
Walter O'Brien (character) Walter O'Brien is the fictional lead character in the American drama television series, "Scorpion". The character is inspired by the real life of Walter O'Brien, a computer expert and hacker who at an early age hacked into NASA servers to obtain secure files and scored a 197 on a childhood IQ test. The character, played by actor Elyes Gabel, follows a loose trajectory of Walter O'Brien's real-life exploits that thwart terrorism and disasters in each episode of the series.
Arthur Lowe Arthur Lowe (22 September 1915 – 15 April 1982) was an English actor. His career spanned over thirty years, including starring roles in numerous theatre and television productions. He is best known for playing Captain Mainwaring in the British sitcom "Dad's Army" from 1968 until 1977. He was nominated for seven BAFTAs and became one of the most recognised faces on television.