In animation, he was known as the voice of Miroku from InuYasha, its four movies, and Inuyasha: The Final Act, Van Fanel from the Ocean dub of Escaflowne, Cyclops from X-Men: Evolution, Jay from Class of the Titans, Teru Mikami from Death Note, Trowa Barton from Mobile Suit Gundam Wing, Rey Za Burrel from Mobile Suit Gundam SEED Destiny, Ryo Takatsuki from Project ARMS, Goku from Ocean's dub of Dragon Ball Z (from Episode 160 onwards), Hot Shot from Transformers: Cybertron and his main role as Cole from LEGO Ninjago: Masters of Spinjitzu until Seabound.

On camera, he was known for the recurring role of Captain Dave Kleinman from Stargate Atlantis.

[2] Morrow was born in Jasper, Alberta on August 28, 1973, and graduated with a degree in theatre at Mount Royal University in Calgary.

[8] His death was announced on Facebook by his brother, Casey Morrow, and linked to a long history of alcohol abuse.

[2][9][10][11] On December 4, 2020, Casey established the Kirby Morrow Memorial Scholarship Fund to help others pursue education in the performing arts.