Louis Dulanto-Sime was born in Manhattan, New York to Scottish born Karen Sime and Peruvian born Dr Luigi Dulanto. His mother was a Programme Manager and his father a Psychiatrist has a practice in New Mexico.

He moved early on in life to England and started off at the Pre-preparatory school of Kings Rochester, which he continues to attend. At eight he became a music scholar with Kings and became a chorister at the 2nd oldest Cathedral in England "Rochester Cathedral" During his time as a chorister he performed with many internationally renowned groups (ENO, The Sixteen, The King Singers, James Taylor). He then moved to work with London Childrens Opera company and performed the lead role of Jaffett in Noyes Fludde at the Actors Church, Covent Garden. During this time he has started developing his acting skills, which enabled him to take on supporting lead roles. As a dual citizen Louis travels back and forward between family in California and New Mexico. . Louis enjoys sports,and has a dog and cat.