Mercedes McNab was born to Bob McNab, a well-known former English footballer who played for the England national team & Vancouver Whitecaps football club.
Mercedes began her acting career at the age of ten with the film "The Addams Family" (1991); where she played the role of Girl Scout selling cookies and went on to appear in its sequel "Addams Family Values" {1993}.
Mercedes got a breakthrough role of Harmony Kendall on "Buffy the Vampire Slayer" (16 episodes: 1997-2003) and reprised her role in its spin-off "Angel" (18 episodes: 2001-2004).
Mercedes McNab gave wonderful performances in films like "The Fantastic Four" (1994), "White Wolves III: Cry of the White Wolf" (2000), "Miles from Home" (2006), "Thirst" (2008), "Medium Raw" (2008} and so on. Her television performances include "Touched by an Angel" {1998), "Walker, Texas Ranger" {2001), "Run of the House" {2004), "Reaper" {2007), "Psych" {2008) and "Criminal Minds" {2009). Her beautiful photo shoots have appeared in several magazines including FHM magazine issue of January 2004.