Stevel Marc is the first of two children for Jasmine Williams and Carlton McDonald. He grew up in Portland, Jamaica where he attended Titchfield High School. His modeling career started when he was discovered professionally by Dwight Peters of Saint International Modelling Agency, shortly before he was honored as Mr. Titchfield 2000. This presented numerous opportunities with international modeling contracts jetting him off to London, New York, Asia, South Africa, and parts of Europe.

He used South Africa as his hub where he is signed with the internationally recognized, Ice Model Management as well as Artist Connection theatrically and commercially. It was here that he began to shape and style his capabilities through various television and cinema commercials including Revlon (featuring Halle Berry and Eva Mendes), BlackBerry, Coca Cola, KFC, Nescafé, Momentum, Standard Bank, Nashua Mobile, South African Broadcasting Corporation (SABC), and DSTV. Stevel Marc also works as a voice over artist and has already lent his voice to Samsung Mobile, Budweiser, Malibu Caribbean Rum, Toyota, Highveld Stereo, Pigg's Peak Casino, Foundry Premium Cider, Spar, Pick 'n Pay, Standard Bank, Student radio, Exclusive Books, and The South African Tourism Board.

He has emceed for Master Card, Heineken, Fashion Television International (FTV), De Beers, Standard Bank, MTN Go Rig (FIFA Confederations Cup), FIFA World Cup (Fan Fest and 22 World Cup games), Sony (World Cup Winners Trophy Tour), Calvin Klein, BlackBerry, Sansui Summer Cup, SAICA (South African Institute of Chartered Accountants), Cricket SA.

He began auditioning for film roles in his early twenties in South Africa while shaping his craft at the Johannesburg Civic Theatre. In 2008 he enrolled at the New York Film Academy (NYFA) and TVI Actors Studio in Los Angeles, California to study and successfully completed his film studies.

His first feature film role was in the internationally acclaimed and 13 Awards winner, Of Good Report. He also had remarkable roles in, The Challenger Disaster (2013) starring Oscar winner, William Hurt, OutPost 37 (2014), Dear Betty (2014), My Zulu Promise (2013), Donor (2014), The King's Rook (2014), The Triangle (2005), Anything for Wifey (2014), Trinity (2014), Hometown (2014), Adaption (2014).