The father and grandfather passed away on Thursday, July 16.
Born in St Mary, the Lime Tree Lane actor later moved to Kingston to study while pursuing joint careers in acting along with finance.
He later attended the Edna Manley College of the Visual and Performing Arts.
Duncan is best known for his portrayal of the character 'Maas Drapus' on the local television series Lime Tree Lane.
He is also known for his other roles as Jean Pierre on the popular soap-opera Royal Palm Estate and Mr Don Paper on Paul Beale’s Joint Tenants.
On social media there has been an outpouring of condolences for the family of Duncan.