David Nykl, precisely 5ft 6 ¾ (169.5 cm) tall, is a Czech-Canadian actor renowned for his role as the clever Dr. Radek Zelenka in Stargate Atlantis. His exact height of 169.5 cm lent a relatable, grounded presence to the brilliant engineer, enhancing his portrayal in the iconic sci-fi series.
Nykl's compact 5ft 6 ¾ stature also complemented his versatile career in Arrow, films, television, commercials, and theater, where his physicality added authenticity to diverse characters across genres.