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

Crew List

Tier 1

Assimilated Troi
2
Combat Medic Paris
Mintakan Troi
1
Mirror Jadzia Dax
Mirror Phlox
1

Tier 2

Alan-A-Dale
2
Armed Philippa Georgiou
2
Assimilated Tuvok
2
Friar Tuck Data
1
Irumodic Syndrome Picard
1
Mirror Geordi La Forge
1
Mirror Mayweather
Princess Jadzia
1
Prospect Michael Burnham
Sarek
2
Sarina Douglas
1
Section 31 Philippa Georgiou
Torchbearer Voq
1
Tourist Quark
1
Tsunkatse Seven
1
Vulcan Wedding T'Pol
1

Tier 3

Ardra
Captain Janeway
Celebratory Ash Tyler
Changeling Bashir
1
Graduation Michael Burnham
K'mtar
1
Katra McCoy
2
Klingon O'Brien
2
Marshal of France Q
1
Mutated Paris
Niners Rom
3
Nurse Faith Garland
Prisoner O'Brien
1
Prospero Data
RAF Julian Bashir
3
Tieran Possessed Kes

Tier 4

Ambassador Sarek
2
Ambassador Shras
1
Bajoran Dukat
3
Captain T'Pol
1
Doc Crusher
2
Doctor La Forge
2
Dr. Hippocrates Noah
2
Gabriel Bell
Grand Proxy Neelix
1
Incognito Kirk
1
Lewis Zimmerman
1
North Star Archer
1
Robin Hood
1
Roga Danar
2
Sheriff Worf
2
Tactical Michael Burnham
1
The President of Earth
3
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
Drone Seven of Nine
1
Herbert Rossoff
2
Human Q
Profitable Ishka
2
Rianna Mayweather
1
Subcommander T'Rul
2
Sybok
2
Time Loop Mudd
Undercover O'Brien
2

Tier 6

Admiral Owen Paris
Advocate Kolos
1
Alidar Jarok
2
Commander Chapel
2
Commander Ellen Landry
Commander Keras
2
Dahar Master Kor
1
Diseased Changeling Founder
Mirror Janeway
2
Mirror Tucker
1
Rakal Troi
1

Tier 7

Blood Oath Jadzia Dax
Breen Disguise Dukat
2
Chief O'Brien
2
Commander Barclay
2
Commander Donatra
2
Disguised Tuvok
1
General Martok
2
Holonovel Doctor
1
Kal-if-fee Spock
1
Klingon Torres
Kurak
1
Lieutenant Chekov
Lieutenant Valeris
1
Lt Commander Airiam
1
Mirror Jennifer Sisko
Penk
Reinforcements Stamets
Romulan Kirk
1
Young Khan
1

Tier 8

Admiral Ross
1
Ambassador K'Ehleyr
Ambassador Spock
2
Apollo
1
B-4
Dominion Dukat
2
Douglas Pabst
EV Suit Tucker
1
First Goran'Agar
1
First Officer Saru
Icheb
2
Lt. Ash Tyler
Nexus Kirk
1
Niners Kira Nerys
2
Platonian Kirk
1
T'Mir
1
Temporal Agent Seven
1
Waitress Ezri
Xindi Prisoner Archer
Yelgrun
1

Tier 9

Anastasia Komananov
1
Antaak
1
Army Chaplain Odo
1
Bridge Officer Troi
Buster Kincaid Kim
1
Command Hologram
Commander Thelin
Disguised Chakotay
Dr Crusher
1
Dr. David Marcus
2
Dr. Gillian Taylor
1
Galen
Gralik Durr
2
Ikat'ika
1
Klingon Neelix
Lal
Liaison Torres
1
Lily Sloane
1
Mirror K'Ehleyr
1
Mirror Leeta
Rogue Harry Kim
1
Ruk
Rura Penthe Reed
Tash
1
Vedek Bareil Antos
Vice Admiral Dougherty
1
Warship Janeway

Tier 10

Captain Q
Commander Barak
Commander T'Pol
1
Commander Tomalak
2
Drafted McCoy
1
Duelist Yar
Kazon Seska
1
Lady Beverly
Malik
1
Marla McGivers
Mirror Garak
1
Mirror Keiko
1
Pel
1
Pugilist Q
Smuggler Kasidy Yates
1
Trader Odo
Weyoun Clone 4
1

Tier 11

Angel I Riker
Berlinghoff Rasmussen
Captain Proton Paris
1
Cardassian Kira
1
Civil War Worf
Claiborne Chekov
1
Colonel Karr
1
Commander Kelby
1
Commando Shran
1
Cyrus Redblock
1
Detective Dixon Hill
1
Formal Dress Wesley Crusher
Kurros
1
Laas
M-113 Creature
Mirror Uhura
Riley Frazier
1
Tommy Gun Dixon
1
Tourist Reed
Tuskegee Mayweather
1
Warship Chakotay
1
Warship Yar
Wedding Day Quark
1

Tier 12

Anbo-jyutsu Riker
Arik Soong
Bestselling Author Jake Sisko
1
C.O.P. Founder Archer
1
Captain Klaa
Captain Sulu
1
Commander Nevesa
1
Commander Sela
1
Defiant Commander Worf
Dr. Toby Russell
1
Dr. Tolian Soran
1
Duchamps
1
Edith Keeler
1
Fesek
1
Festive Lwaxana Troi
1
Gorn Captain
1
Hologram Barclay
1
KDF Gowron
1
Kilana
Klingon Quark
1
Lore
Maquis Ro Laren
Mirror Ezri Tigan
Mirror Vic Fontaine
Professor Scott
Resistance Shakaar
1
Stranded Odo
Vic Fontaine

Tier 13

Agent Harris
Anij
Cadet Wesley Crusher
Captain Kurn
Commander Dolim
1
Danara Pel
1
Demora Sulu
Forra Gegen
Lieutenant Arex Na Eth
Lieutenant Tarah
Luther Sloan
Michael Sullivan
Mirror Archer
Mirror Empress Sato
Mirror Sisko
Mother Horta
Tarquin
1

Tier 14

Amanda Grayson
Automated Unit 3947
Captain John Harriman
Commander Uhura
Doctor Chapel
1
Feezal Phlox
Fencing Sulu
GI Chakotay
Lon Suder
Maquis Eddington
Martia
Miral Torres
Orion Slaver
Silik