Daiki Hamano is a Japanese voice actor born on March 30, 1989, in Tokyo, Japan. He is affiliated with the talent agency Arts Vision. His path to voice acting was influenced by an interest in foreign films and a desire to work in dubbing, which led him to train at the Katsuta Voice Actor Academy and the Japan Narration Acting Institute. Before his voice acting career, Hamano studied abroad in Sydney, Australia, for three years during high school and later majored in sports economics in college.

Hamano's professional voice acting career began in the early 2010s, with some of his earliest roles in 2014 including minor parts in series like White Box (Shirobako) and Yu-Gi-Oh! ARC-V. He gained wider recognition in 2017 for his role as Go Onizuka in Yu-Gi-Oh! VRAINS. A significant milestone in his career was being cast as Gauma in the 2021 anime SSSS.Dynazenon, a role that is considered one of his breakout performances and helped establish him as a leading voice actor.

Throughout his career, Hamano has built an extensive filmography, taking on a diverse range of characters. Some of his notable anime roles include Matheus Johann Weiss in the Isekai Quartet series and Saga of Tanya the Evil, Luders Friegen in Bleach: Thousand-Year Blood War, Dakares in Skeleton Knight in Another World, Tenji Mikasa in Tomodachi Game, and the Samurai Sword in Chainsaw Man. He has also voiced characters such as Shiryū Tonozaki in Salaryman's Club, Hidetoshi Nakata in Mr. Tonegawa, Kent McGregor in Wise Man's Grandchild, Jean-Jacques in The Case Study of Vanitas, Lachram in The Genius Prince's Guide to Raising a Nation Out of Debt, Yū Kashima in Yarichin Bitch-bu, Rex Taromaru in Hypnosis Mic -Division Rap Battle- Rhyme Anima, Michiru Enjoji in The iDOLM@STER SideM, Onepac in B Rappers Street, Osamu Asada in Japan Sinks: 2020, Kawa-chan in Snack Basue, Toguro Okunaga in Beyblade X, Tatsuhiro Someya in Terraformars: Chikyū-hen, Ryoga Kagekawa in Hana-Doll: Reinterpretation of Flowering, and Gen Kinokura in Futari Solo Camp. His work also extends to video games, where he is known for roles such as Michiru Enjoji in The Idolmaster SideM and Glenn Lodbrok in Final Fantasy VII Ever Crisis and Final Fantasy VII Rebirth.

In addition to anime and games, Hamano is active in dubbing foreign films and TV series, providing the Japanese voice for characters like Sam Wilson / Falcon in the Marvel Cinematic Universe and Agent Stone in the Sonic the Hedgehog films. He has also lent his voice to the tokusatsu genre, serving as the voice of the Donblaster device in Avataro Sentai Donbrothers. Data from fan-curated sites indicates he has frequently collaborated with a wide circle of fellow voice actors, including Takahiro Sakurai and Yusuke Kobayashi, reflecting his active presence in the industry.

Beyond performing, Hamano expanded his creative portfolio by making his directorial debut in 2023 with the live-action television drama The Cinderella of the Rising Sun (下克上棒球少年).