The eldest child with two younger sisters, Nicolas Sellar was born as Nicolas Norrie Sellar, on November 15,1994, in Miami, Florida, to Frida and Norrie Alexander Sellar. His mother was born in Santa Marta, Colombia. His father was born in Philadelphia, USA. According to his 23andme, Nicolas' ancestry includes Spanish, Portuguese, English, Irish, Ashkenazi Jewish, Sub-Saharan African, Native American from Colombia, French, and German. He grew up in Miami, Florida. At the age of eighteen, Nicolas left to Florida State where he earned a degree in Finance in 3 years.After graduating from Florida State University, he headed to Europe to learn different languages. Having lived in Berlin, Nice, and Madrid he became conversational in French, German, and Portuguese. He then proceeded to pursue his dream of acting and returned back to the States. Since moving to Los Angeles in June, Nicolas has been arduously studying in different acting and improvisational schools. He has stared in many short films and commercials.