Liam is the son of William and Theresa Peeples. He lives with his parents on Lake Lanier in Flowery Branch, GA. His older brother is actor Elijah Marcano. Liam's sweet disposition and good behavior prompted his brother's agent to sign Liam as well. Liam started in print work and commercials before moving on to film and television. He also enjoys live acting and has participated in a number of stage productions. Liam has been training in Martial arts since the age of 5. He also plays guitar as well as trains in keyboards and bagpipes.