Lyle Lettau (born O'Donohoe; September 25, 1994) is a Canadian actor, best known for having portrayed Tristan Milligan in the Canadian teen drama show Degrassi.

Filmography

• Degrassi: Next Class — Tristan Milligan
• 2015Degrassi: Don't Look Back — Tristan Milligan
• iZombie — Bitchkraft
• Super Why! — The Boy Who Drew Cats (voice)
• Degrassi: Minis — Tristan Milligan
• Degrassi — Tristan Milligan
• Arthur — Alan "The Brain" Powers (voice)
• Spring Bloom — Birdie

Appearances as themselves (1)

• 2025Degrassi: Whatever It Takes — Self