Currently available on 2 streaming services.

Halo Legends - watch online: stream, buy or rent

You can buy "Halo Legends" on Apple TV as download or rent it on Apple TV online.

Cast

Luci Christian
Female Soldier ("Prototype") / Kelly ("The Package")
David Wald
Master Chief
Emily Neves
Spartan ("The Babysitter")
Shelley Calene-Black
Cortana / Dr. Halsey
Josh Grelle
Haka (segment "The Duel")
Brittney Karbowski
Sister (segment "Odd One Out")
Greg Ayres
Kid A (segment "Odd One Out")
David Anthony Matranga
Sarge (segment "Prototype") / Joseph (segment "Homecoming")
Akio Otsuka
ONI Commander (segment "Prototype")
Tomokazu Seki
Brother (segment "Odd One Out")
Kazuhiko Inoue
The Prophet (segment "The Duel")
Atsuko Tanaka
Dr. Halsey (segment "The Package")
Chris Patton
Big Brother (segment "Odd One Out")
John Swasey
Captain (segment "Odd One Out")
John Swasey
Sergeant Hauser (segment "Homecoming")
Kenta Miyake
Sergeant Hauser (segment "Homecoming")
Keiji Fujiwara
Sarge (segment "Prototype")
Chris Ayres
Solider (segment "Prototype")
Blake Shepard
O'Brien (segment "The Babysitter")
Deke Anderson
1337 (segment "Odd One Out")
Andrew Love
Fred (segment "The Package")
Kikuko Inoue
Han (segment "The Duel")
Mamiko Noto
Spartan (segment "The Babysitter")
Rob Mungle
Soldier (segment "Prototype")
Leraldo Anzaldua
Soldier (segment "Prototype"), Ralph (segment "Homecoming")
John Gremillion
Fal (segment "The Duel") / Arthur (segment "The Package")
Houko Kuwashima
Daisy
Satomi Sato
Grunts
Kenji Takahashi
Marine #1
Carli Mosier
Daisy
Hiroki Touchi
Fal
Jovan Jackson
Soloman
Yasunori Matsumoto
Captain
Masashi Ebara
Captain (segment "The Package")
Susumu Chiba
Cortez (segment "The Babysitter")
Mika Doi
Mama (segment "Odd One Out")
George Manley
Berger (segment "The Babysitter")
Kalob Martinez
Cortez (segment "The Babysitter")
Josh Levi
Kid B (segment "Odd One Out")
Ryuuzaburou Ootomo
Haka (segment "The Duel")
Melissa Davis
Han (segment "The Duel")
Takashi Ohara
Marine #2 (segment "Homecoming")
Yasuyuki Kase
Ralph (segment "Homecoming")
Kenji Akabane
Soldiers (segment "The Duel")
Tomoko Kaneda
LAN (segment "Odd One Out")
Takako Honda
Doctor Halsey (segment "Homecoming")
Marty Fleck
Narrator (segment "Homecoming")
Atsushi Abe
Joseph (segment "Homecoming")
Chris Hutchison
ONI Commander (segment "Prototype")
Todd Postlethwaite
The Prophet (segment "The Duel")
James Faulkner
ONI Officer (segment "The Babysitter")
Andy McAvin
Boatman / Captain (segments "The Duel" / "The Package")
Eri Sendai
POM (segment "Odd One Out")
Atsuki Tani
Master Chief (segment "Odd One Out")
Yui Shoji
Suit Composire Tone (segment "Prototype")
Ao Takahashi
Female Soldier (segment "Prototype")
Takahiko Sakaguma
Soldier (segment "Prototype")
Reiko Kiuchi
SAP (segment "Odd One Out")
Masafumi Kimura
Soldier (segment "Prototype")
Taketoshi Kawano
Soldier (segment "Prototype")
Hiromu Miyazaki
Soldiers (segment "The Duel")
Keiji Hirai
Boatman (segment "The Duel")
Tomo Shigematsu
O'Brien (segment "The Babysitter")
Hajime Iijima
Dutch (segment "The Babysitter")
Mark Adley
Checkman (segment "The Babysitter")
Motoyuki Kawahara
Soldier (segment "Prototype")
Homer Carroll
Covenant Major (segment "The Package")
Justin Doran
Soldier (segment "Prototype")
Ai Maeda
Cortana (segment "Odd One Out")