Nathan Lee Gamble (born January 12, 1998) is an American actor who made his feature film debut in Babel (2006), for which he was nominated for a 2007 Young Artist Award. He is best known for his role as Sawyer Nelson in Dolphin Tale and the sequel Dolphin Tale 2.
Gamble was born Nathan Lee Gamble on January 12, 1998 in Tacoma, Washington, the son of theater directors, Christy (née Prestridge) and Gregory "Greg" Gamble, who also run a drama camp for children. His additional screen credits include Dry Rain (2007), Saving Sam (2007), Diggers (2007), The Mist (2007), The Dark Knight (2008), Marley & Me (2008), The Hole (2009), Dolphin Tale (2011) and Dolphin Tale 2 (2014).
On television, Gamble appeared in Runaway in 2006; crossover episodes of ' and Without a Trace in 2007; and House M.D. and Ghost Whisperer in 2008. In 2009, he played the role of Henry Pryor, son of the titular character in Hank. In 2010, he played the role of Daniel in a short film called Displaced; the film was commissioned by the city of Seattle as part of the Water Calling series and aired at Seattle Channel.
Gamble has completed filming the role of Poe Malloy in Captain Cook's Extraordinary Atlas for Warner Bros. Television. He portrayed Lucas Thompson in the film The Hole, which was released in 2009.
His first lead role was in the 2011 film Dolphin Tale, where he plays Sawyer Nelson, a young boy who discovers a dolphin caught in a crab trap in Florida (based on the real-life story of Winter the dolphin). He reprised his role as Sawyer Nelson in the 2014 sequel, Dolphin Tale 2.
It was revealed in May 2025 that Gamble would be starring in the Chris Dowling film Bad Counselors along side Matt Cornett, Missi Pyle, Brec Bassinger and Chris Klein.
Gamble began dating his girlfriend Hannah Hammond in July 2020. They became engaged on July 23, 2025. They revealed in October 2025 that they had eloped on August 1, 2025.