Boy William Hartanto first started his career by winning the Starteen model election in 2009 where he showed his talent for dancing the Haka Dance. He represented his school in the Haka Dance Competition in Africa for a month. Then, he switched to become a VJ on the MTV Indonesia. He also had leading roles in Indonesian films Di Balik 98 and Sunshine Becomes You. He is currently^[when?] a VJ of Breakout on the television channel NET.^[1]

• Mama Cake (2012)
• Fallin' in Love (2012)
• Potong Bebek Angsa
• Comic 8 (2014)
• Rumah Gurita (Octopus Home)
• Di Balik 98 (In Behind 98) (2015)
• Tarot (2015)
• Sunshine Becomes You (2015)
• Stay with me (2015)
• Dimsun Martabak (2017)
• Laundry (2019)
• Imperfect (2019)

• Cinta Cenat Cenut 2
• Putih Abu-Abu 2

• I Miss You, I Need You, I Love You
• Cinta Terakhir Bukan Pacar Pertama (Last Love Not First Girlfriend)
• Datang Ke Jogja Untuk Cinta (Come To Jogja For Love)
• Mama Saingan Cintaku
• 2 Hati 2 Cinta (2 Heart 2 Love)
• Indahnya Cinta Pertama
• Ramalan Bikin Galau
• From Asinan With Love

• MTV Ping (Global TV)
• MTV Station Camp (Global TV)
• Breakout (NET TV)
• Nez Academy (NET TV)
• NET. One Anniversary (NET TV)
• Miss World 2013 Red Carpet (RCTI)
• Dahsyat Awards 2012 Red Carpet (RCTI)
• Teenlicious (Global TV)
• Super Boy (Global TV)
• Akhirnya Datang Juga (MNCTV)
• (MNC Music Channel)
• Rising Star Indonesia (RCTI)
• Indonesian Idol (RCTI)
• Siapa Mau Jadi Juara (Trans TV)

• Stranger in My Bed (Original Soundtrack of TAROT), 2015
• Flyin' Money (feat. Ananta Vinnie), 2017
• Bumblebee (feat. Ananta Vinnie), 2017

• (in Indonesian) Berita Resmi: Biodata Boy William
• Boy William on Twitter