Brett Jordan Dier (/daɪr/; born February 14, 1990) is a Canadian actor. He is best known for his role as Michael Cordero Jr. on Jane the Virgin. He is also known for his recurring roles on the Canadian TV shows Bomb Girls and The L.A. Complex, and most recently for his main role as "C.B." on the ABC sitcom Schooled.

Early life
Dier was born on February 14, 1990, in London, Ontario and went to London South Collegiate Institute. He grew up with an older sister and younger brother. He studied improv as well as receiving his first dan black belt in Taekwondo. He reached the 6th grade of Conservatory Music in piano, including the Suzuki method since the age of 4. He also plays the guitar. Dier received honours for his work. He also breakdances and practices swimming and bouldering.