Martin McCann, a Northern Irish actor standing at exactly 5ft 6 (167.6 cm), leverages his compact stature to embody grounded, intense characters in film and television. His height contributes to an everyman appeal that shines in survival thrillers like Calibre and The Survivalist, historical dramas such as Maze and '71, and the comedy Killing Bono. On TV, his physical presence fits roles in The Frankenstein Chronicles, Titanic: Blood & Steel, and The Pacific, enhancing the authenticity of his performances.