The 6-foot (1.8 m) Armstrong doubled for 6-foot-1-inch (1.85 m) Harrison Ford in the first three Indiana Jones films, 6-foot-2-inch (1.88 m) Timothy Dalton for Flash Gordon, George Lazenby for the Swiss Alps skiing scenes in the Bond film On Her Majesty's Secret Service, and 6-foot-4-inch (1.93 m) Christopher Reeve in Superman and Superman II.
This proved useful when Ford injured his back and had to sit out for filming crucial action sequences in Indiana Jones and the Temple of Doom and Armstrong filled in for him.
On a private photograph taken on the film set, Ford wrote to Armstrong, "If you learn to talk I'm in deep trouble!
In 2001, he received a Technical Achievement Academy Award for "the Fan Descender for accurately and safely arresting the descent of stunt persons in high freefalls".
Vic is uncle to stuntman James Armstrong and film maker Jesse V Johnson [citation needed] His memoir My Life as Indiana Jones, James Bond, Superman and Other Action Heroes: The True Adventures of the World's Greatest Stuntman was published by Titan Books in early 2011.