Semi-colons allows multi-crew search
(i.e. "data;spock")
Tiers and comments come from /u/Automaton_2000's and /u/idoliside's work, with their permission.

Crew List

Tier 1

First Officer Burnham
Gary Seven
Warship EMA
1

Tier 2

Captain Braxton
High Roller Sisko
Humbled Archer
Interfaced La Forge
1
Juliana Tainer
Mambo Picard
Mirror Jean-Luc Picard
1
Prisoner Katrina Cornwell
1
Stranded Quark
1

Tier 3

Amelia Earhart
1
Assimilated Hawk
1
Away Team Michael Burnham
Boothby Replicant
Captain Killy
1
Dahar Master Koloth
1
Defensive Phlox
1
Governor Worf
Leonardo da Vinci
2
Mirror Paul Stamets
Professor Sato
Prophet Sarah Sisko
1
Reverend Phlox
1
Surak
2
Survivalist Kirk
1
Xindi Insectoid Councilor
2

Tier 4

Alternate Future Jadzia Dax
Alternate Future T'Pol
1
Assimilated La Forge
3
Away Team Number One
Away Team Saru
Bell Riots Bashir
2
Borg Queen
1
Chancellor L'Rell
1
Data V
1
Dr. Hugh Culber
1
EV Suit Burnham
Five of Twelve
2
H.M.S. Pinafore Data
Honey Bare Jadzia
1
Irina
1
Klingon Janeway
1
Lonzak
2
Mirror Inquisitor Troi
Mountaineer Spock
1
Musketeer La Forge
2
Navigator Stamets
Pah-wraith Keiko
RAF Miles O'Brien
2
Rura Penthe Kirk
1
Solar Sails Sisko
2
Sphere-Builder Presage
2
Temporal Prisoner Chakotay
The Keeper
Zhian'tara Odo

Tier 5

"Dark Ages" McCoy
1
Age of Sail Data
Ahdar Ru'afo
Assimilated Janeway
1
Augment Commander O'Brien
3
Aviator Yar
1
Captain Lorian
2
Captain Spock
1
Captain Thadiun Okona
1
Chancellor Gowron
1
Christopher Pike
1
Covert Operative Leland
Crell Moset
2
Delta Flyer Paris
1
Desert Philippa Georgiou
3
Durango Troi
1
Emperor Philippa Georgiou
Enemy Lines Sisko
2
Etana Jol
Falcon O'Brien
1
Gangster Kirk
Gangster Spock
2
Klingon Bride Jadzia
Merry Men Crusher
2
Mirror Beverly Crusher
1
Mirror Data
Mirror Intendant Kira
1
Mirror Shukar
1
Mobile Doctor
1
Phlox, Au Naturel
1
Prince Bashir
3
Protomorphosis Barclay
1
Romulan Data
1
Romulan Picard
1
Suus Mahna Sarek
2
Tempted Data
The Prophet
1
Tuxedo Nog
3
Virtuoso Doctor
2

Tier 6

Admiral Kirk
1
Age of Sail Crusher
1
Age of Sail Riker
Annorax
Augment Picard
2
Bashir, Julian Bashir
3
Bell Riots Jadzia Dax
Chancellor Gorkon
1
Changeling Martok
1
Commander Kira Nerys
1
Commodore Matt Decker
1
Conflicted Sisko
2
Detective Data
Emotion Chip Data
EV Suit Archer
1
EV Suit Seven of Nine
1
Frank Hollander
1
Gladiator McCoy
1
Gloria
1
Goddess of Empathy Troi
1
Gunslinger Uhura
2
Harcourt Fenton Mudd
Interfaced Barclay
1
Katrine
Kol of House Kor
Kolinahr Spock
1
Laborer Spock
2
Lt Commander Jadzia Dax
Maquis Tuvok
1
Mirror Spock
1
Mirror T'Pol
1
Musketeer Picard
1
Niners Sisko
2
North Star Tucker
2
Obsidian Order Garak
1
Protomorphosis Worf
Rain Robinson
Ripper
Satin Dress Lily Sloane
1
Seven in Silver
1
Seven of Nine
1
Sulan
1
T'Kuvma
Trelane
Tucker On-The-Ropes
2
Tyler, Son of None
Warship Tuvok
1
Wrathful Khan
1

Tier 7

Alternate Future Bashir
2
Assimilated Torres
2
Benny Russell
1
Captain Lorca
Dancing Chekov
Duelist Torres
2
Elizabeth Dehner
1
Garak, Elim Garak
2
Kortar
1
Mademoiselle de Neuf
1
Martian Quark
1
Mintakan Riker
1
Mirror Bashir
1
Mirror Regent Worf
1
Mirror Zefram Cochrane
2
Niners Worf
1
Polywater Yar
Scientist Degra
3
Smitten Jean-Luc Picard
1
Species 8472 Invader
Surgeon Pulaski
1
Timicin
Vengeful L'Rell
War Correspondent Jake Sisko
1
Weyoun Clone 5
2

Tier 8

1701 Sisko
1
23rd Century Martok
2
Admiral Janeway
Agent Janeway
Arachnia Janeway
1
C.O.P. Founder Picard
2
Cadet Sylvia Tilly
Captain Nog
2
Commander Troi
Convergence Day Quark
2
Dancing Uhura
1
Disguised Kira
Doctor Chaotica
1
Enabran Tain
1
Fennim
1
First Officer Chekov
First Officer Riker
Grand Nagus Rom
2
Joachim
1
Kal-if-fee Kirk
1
Lieutenant Wesley Crusher
Mariachi Q
Mirror Kirk
Mirror Reed
Pah-wraith Cult Dukat
2
Phoenix Cochrane
2
Queen Guinevere Kira
1
Revolutionary Damar
2
Satan's Robot
1
Temporal Agent Daniels
The Traveler
1
Torchbearer Rejac
1
Trader Worf
Umpire Odo
1
Vulcan Executioner
1
Will Scarlett
1
Yarnek

Tier 9

Abraham Lincoln
2
Admiral Nechayev
2
Admiral Riker
Ambassador Troi
1
Astrosciences Sulu
Beowulf Kim
1
Captain La Forge
1
Captain Pike
1
Captain Sisko
2
Changeling Founder
1
Dahar Master Kang
2
Dr. Richard Daystrom
2
Dress Uniform Scotty
1
Enterprise-E Picard
1
Grand Nagus Zek
1
Gul Madred
2
Ilia Probe
Jazz Musician Odo
1
Judge Q
Kai Opaka
1
Layna
1
Lissan
1
Loque'eque Sato
1
Lt Commander La Forge
1
Maid Marian
1
Minuet
Miranda Jones
1
Mirror Sulu
1
Nyota Uhura
One
1
Resistance Neelix
Rogue Kai Winn
Sheriff of Nottingham Q
1
Suliban Reed
The One, Lore
1
The Professor
Tora Ziyal
1
Undercover Sulu
Ushaan Archer
Ushaan Shran

Tier 10

Admiral Cartwright
Ambassador Soval
2
Captain Morgan Bateson
Captain Rachel Garrett
1
Captain Scott
1
Captain Silva La Forge
Commodore Robert April
1
Dr. Soong
1
General Chang
1
Grilka
Inglatu
Joseph Sisko
Mugato
Orion Vina
Portal 63
Senator Vreenak
2
Sergey and Helena Rozhenko
1
Shinzon
Tosk