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

Assimilated Troi
2
Mintakan Troi
1
Mirror Jadzia Dax
Mirror Phlox
1

Tier 2

Alan-A-Dale
2
Ardra
Armed Philippa Georgiou
2
Assimilated Tuvok
2
Combat Medic Paris
Friar Tuck Data
1
Irumodic Syndrome Picard
1
Princess Jadzia
1
Sarek
2
Sarina Douglas
1
Section 31 Philippa Georgiou
Torchbearer Voq
1
Tourist Quark
1
Tsunkatse Seven
1

Tier 3

Captain Janeway
Changeling Bashir
1
Graduation Michael Burnham
Katra McCoy
2
Klingon O'Brien
2
Marshal of France Q
1
Mirror Geordi La Forge
1
Mutated Paris
Niners Rom
3
Nurse Faith Garland
Prisoner O'Brien
1
Prospect Michael Burnham
Prospero Data
RAF Julian Bashir
3
Robin Hood
1
The President of Earth
3
Tieran Possessed Kes
Vulcan Wedding T'Pol
1

Tier 4

Ambassador Sarek
2
Ambassador Shras
1
Bajoran Dukat
3
Celebratory Ash Tyler
Doc Crusher
2
Doctor La Forge
2
Dr. Hippocrates Noah
2
Drone Seven of Nine
1
Gabriel Bell
Grand Proxy Neelix
1
Incognito Kirk
1
K'mtar
1
Lewis Zimmerman
1
Mirror Mayweather
North Star Archer
1
Roga Danar
2
Sheriff Worf
2
Tactical Michael Burnham
1
Undercover O'Brien
2
Victorian Pulaski
1

Tier 5

1701 Jadzia Dax
Admiral Picard
1
Age of Sail La Forge
1
Augment Riker
3
Author Doctor
3
Ba'ku Worf
Captain T'Pol
1
Commander Barclay
2
Commander Donatra
2
Herbert Rossoff
2
Lieutenant Valeris
1
Niners Kira Nerys
2
Profitable Ishka
2
Rianna Mayweather
1
Sybok
2
Time Loop Mudd

Tier 6

Alidar Jarok
2
Blood Oath Jadzia Dax
Breen Disguise Dukat
2
Chief O'Brien
2
Commander Chapel
2
Commander Ellen Landry
Commander Keras
2
Diseased Changeling Founder
Disguised Tuvok
1
Holonovel Doctor
1
Kal-if-fee Spock
1
Klingon Torres
Lt Commander Airiam
1
Lt. Ash Tyler
Mirror Janeway
2
Mirror Tucker
1
Nexus Kirk
1
Penk
Platonian Kirk
1
Rakal Troi
1
Reinforcements Stamets
Romulan Kirk
1
Subcommander T'Rul
2
T'Mir
1
Young Khan
1

Tier 7

Advocate Kolos
1
Ambassador K'Ehleyr
Ambassador Spock
2
Antaak
1
Apollo
1
Army Chaplain Odo
1
B-4
Bridge Officer Troi
Buster Kincaid Kim
1
Dahar Master Kor
1
Dominion Dukat
2
Douglas Pabst
EV Suit Tucker
1
First Goran'Agar
1
First Officer Saru
General Martok
2
Human Q
Icheb
2
Lieutenant Chekov
Mirror Garak
1
Mirror Jennifer Sisko
Temporal Agent Seven
1
Waitress Ezri
Warship Yar
Yelgrun
1

Tier 8

Admiral Owen Paris
Admiral Ross
1
Anastasia Komananov
1
Captain Q
Command Hologram
Commander Barak
Commander T'Pol
1
Commander Thelin
Commander Tomalak
2
Disguised Chakotay
Dr Crusher
1
Dr. David Marcus
2
Dr. Gillian Taylor
1
Drafted McCoy
1
Duelist Yar
Galen
Gralik Durr
2
Ikat'ika
1
Kazon Seska
1
Klingon Neelix
Kurak
1
Lady Beverly
Lal
Liaison Torres
1
Lily Sloane
1
Marla McGivers
Mirror K'Ehleyr
1
Mirror Keiko
1
Pel
1
Pugilist Q
Riley Frazier
1
Rogue Harry Kim
1
Ruk
Rura Penthe Reed
Smuggler Kasidy Yates
1
Tash
1
Trader Odo
Vedek Bareil Antos
Warship Janeway
Xindi 'Prisoner' Archer

Tier 9

Anbo-jyutsu Riker
Angel I Riker
Arik Soong
Berlinghoff Rasmussen
Bestselling Author Jake Sisko
1
C.O.P. Founder Archer
1
Captain Klaa
Captain Kurn
Captain Proton Paris
1
Captain Sulu
1
Cardassian Kira
1
Civil War Worf
Claiborne Chekov
1
Colonel Karr
1
Commander Dolim
1
Commander Kelby
1
Commander Nevesa
1
Commander Sela
1
Commando Shran
1
Cyrus Redblock
1
Defiant Commander Worf
Detective Dixon Hill
1
Dr. Toby Russell
1
Dr. Tolian Soran
1
Duchamps
1
Edith Keeler
1
Fesek
1
Festive Lwaxana Troi
1
Formal Dress Wesley Crusher
Gorn Captain
1
Hologram Barclay
1
KDF Gowron
1
Kilana
Klingon Quark
1
Kurros
1
Laas
Lore
M-113 Creature
Malik
1
Maquis Ro Laren
Mirror Ezri Tigan
Mirror Leeta
Mirror Uhura
Mirror Vic Fontaine
Mother Horta
Professor Scott
Resistance Shakaar
1
Stranded Odo
Tommy Gun Dixon
1
Tourist Reed
Tuskegee Mayweather
1
Vic Fontaine
Vice Admiral Dougherty
1
Warship Chakotay
1
Wedding Day Quark
1
Weyoun Clone 4
1

Tier 10

Agent Harris
Amanda Grayson
Anij
Automated Unit 3947
Cadet Wesley Crusher
Captain John Harriman
Commander Uhura
Danara Pel
1
Demora Sulu
Doctor Chapel
1
Feezal Phlox
Fencing Sulu
Forra Gegen
GI Chakotay
Lieutenant Arex Na Eth
Lieutenant Tarah
Lon Suder
Luther Sloan
Maquis Eddington
Martia
Michael Sullivan
Miral Torres
Mirror Archer
Mirror Empress Sato
Mirror Sisko
Orion Slaver
Silik
Tarquin
1