(Portrayed by Shazad Latif)

A Starfleet Officer in the federation and prisoner-of-war, Tyler has seen the dark side of Starfleet's battle with the Klingons.

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Jefferson, Iowa

A town on the planet Earth, Jefferson was the location of a classified Starfleet facilty tasked with building organic-propulsion units based on the U.S.S. Discovery's specifications during the mid-23rd century.

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Buran, U.S.S.

A mid-23rd century Federation starship captained by Gabriel Lorca prior to his assignment on the U.S.S. Discovery. The ship was destroyed by Lorca after it was ambushed during the Klingon-Federation War.

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Shuttle Pilot

(Portrayed by Simon Northwood).

Killed by Klingons while transporting Captain Lorca back to the U.S.S. Discovery.

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(Portrayed by Dennis Andres).

An engineer at the Corvan II mines that requested evacuation during the Klingon-Federation War.

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Matter Synthesizer

A 23rd century device capable of forging atoms into items. Michael Burnham used the device to replicate a uniform during her temporary assignment to the U.S.S. Discovery's science division.

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Aron Eli Coleite is a writer and co-executive producer on Star Trek: Discovery. He has previously worked on Crossing Jordan, Heroes, The River, Hostages and Home.

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Wilson Cruz, who plays Dr. Hugh Culber on Star Trek: Discovery, was born and raised in Brooklyn, New York, before relocating with his family to California, where he later attended California State University at San Bernadino. The actor, who is of Puerto Rican descent and openly gay, is best known for his roles as Rickie on the television series My So-Called Life and as Angel in the long-running Broadway production of Rent.

Cruz's other television credits include Ally McBeal, Party of Five, NCIS, Pushing Daisies, Noah's Ark, Red Band Society, Shameless, Doubt and 13 Reasons Why. He's been seen in such films as Nixon, Party Monster and He's Just Not That Into You, and on stage in A Perfect Wedding and Tick, Tick... Boom!

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Corvan II

A planetoid near the Aneto System responsible for 40% of the Federation's dilithium. During the Klingon-Federation War, Corvan II was under attack before the arrival of the U.S.S. Discovery and its destruction of  the Klingon ships.

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(Portrayed by Wilson Cruz)

The medical officer of the U.S.S. Discovery, and partner to Lt. Stamets.

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Olatunde Osunsanmi is a writer, producer and director who helmed the Star Trek: Discovery episode "The Butcher's Knife Cares Not for the Lamb's Cry." His previous credits include The Cavern, The Fourth Kind, Falling Skies, Extant, Under the Dome, Sleepy Hollow, Gotham, Bates Motel and The Son.

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(Portrayed by Jayne Brook).

Starfleet admiral who directed the U.S.S. Discovery to defend the Corvan II's inhabitants and mines during a Klingon attack in the mid-23rd century. She is a medical officer specializing in psychology.

Cornwell was captured by Klingons during a diplomatic mission to Cancri IV but later rescued from the Ship of the Dead by Michael Burnham.

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Jordana Blake is the Canadian child actress who portrayed the Betarian Girl in the Star Trek: Discovery episode, “The Butcher’s Knife Cares Not for the Lamb’s Cry.” She previously appeared in an episode of Killjoys and several installments of the acclaimed miniseries, The Handmaid's Tale

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Jayne Brook portrays Admiral Cornwell on Star Trek: Discovery. Born in Northbrook, Illinois, the actress boasts a career spanning more than three decades and counts among her numerous film and television credits Superman IV: The Quest for Peace, Don't Tell Mom The Babysitter's Dead, Gattaca, Chicago Hope, John Doe, Boston Legal, NCIS, Brothers & Sisters, Rizzoli & Isles and The Sweet Life.

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Butcher's Knife Cares Not For The Lamb's Cry, The

With tensions and stakes high as Starfleet continues in their efforts to end the war with Klingons, Burnham begins to settle in to her new position aboard the U.S.S. Discovery.

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Jesse Alexander serves as a writer and co-executive producer on Star Trek: Discovery. A California native, Alexander counts among his many prior credits Lost, Alias, Heroes, Hannibal and Agent X

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Dennis Andres played the doomed Corvan II mining colony engineer, Rance, in the Star Trek: Discovery episode, “The Butcher’s Knife Cares Not for the Lamb’s Cry.” The actor counts among his previous credits such films and series The Strain, Bed of the Dead, Workin’ Moms, Dark Matter and Defective.

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A popular fruit found on Earth. It was a favorite of Saru.

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Rowe Jr.

Toronto native Ronnie Rowe played a Shuttle Pilot in the Star Trek: Discovery episode "Context Is for Kings" and a communications specialist in "Magic to Make the Sanest Man Go Mad." His prior credits include Warehouse 13, Saving Hope, Dark Matter, The Expanse and the film, Black Cop.

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Devon MacDonald portrayed an Engineering Officer in the Star Trek: Discovery episode "Context Is for Kings." Among her other credits are The Best Years, Breakout Kings, Lost Girl, Tru Love and Covert Affairs

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