Robert Seeliger was born on October 13, 1966, in Prince George, British Columbia, the oldest of three children. His mother, Anne McGregor, a health care worker, is Scottish, and his father, Juergen Seeliger, a steam engineer, is German. Robert was six years old when his parents divorced. He and his brother were raised by their father on a hobby farm in a remote area of Northwestern Alberta, in the foothills of the Rocky Mountains. Robert attended Elmworth Elementary School and Beaverlodge High School. He left home at sixteen and graduated from Spectrum High School in Victoria, British Columbia. After attending one year at Camosun College, Robert dropped out and worked as a tree feller, DJ, and a carpenter before entering show business. In 1996, Seeliger began studying at the Actors Ensemble Workshop, mentored by Janine Manatis in Toronto, Ontario.