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
Captive Bashir
2
Fugitive Spock
1
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
Fugitive Burnham
Irumodic Syndrome Picard
1
Jodmos
2
Kaminar Saru
2
Keyla Detmer
1
Princess Jadzia
1
Roman Captive Kirk
Runaway Po
2
Sarek
2
Sarina Douglas
1
Section 31 Philippa Georgiou
Torchbearer Voq
1
Tourist Quark
1
Tsunkatse Seven
1

Tier 3

Captain Janeway
Captain Lucero
Changeling Bashir
1
Data Q
Dejaren
Desert T'Pol
1
Desperate Riker
1
Dress Uniform Bashir
2
Graduation Michael Burnham
Indignant Seven
1
Katra McCoy
2
Klingon O'Brien
2
Marshal of France Q
1
Mirror Burnham
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
Riker Q
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
Grathon Tolar
Incognito Kirk
1
Jannar
2
K'mtar
1
Lewis Zimmerman
1
Mirror Mayweather
North Star Archer
1
Roga Danar
2
Scared Scotty
1
Sheriff Worf
2
Tactical Michael Burnham
1
Test Pilot Archer
1
The Clown
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
Buck Bokai
2
Captain T'Pol
1
Christine Chapel
2
Commander Barclay
2
Commander Donatra
2
EV Suit Chekov
Herbert Rossoff
2
Lieutenant Valeris
1
Niners Kira Nerys
2
Priestess Siranna
Profitable Ishka
2
Rianna Mayweather
1
Sybok
2
Time Loop Mudd
Young T'Pau
1
Zora

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
Miss Q
Nexus Kirk
1
Obrist
Penk
Platonian Kirk
1
Rakal Troi
1
Reinforcements Stamets
Romulan Kirk
1
Siranna
Subcommander T'Rul
2
T'Mir
1
Torchbearer Tyler
Young Khan
1

Tier 7

Advocate Kolos
1
Aleek-Om
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
Ensign Picard
EV Suit Tucker
1
Evil Kirk
First Goran'Agar
1
First Officer Saru
General Martok
2
Human Q
Icheb
2
Lieutenant Chekov
Mirror Garak
1
Mirror Jennifer Sisko
Mission Specialist Lefler
1
Prison Break Lorca
Temporal Agent Seven
1
Tholian Prisoner
Vosk
Waitress Ezri
Warship Yar
Yelgrun
1

Tier 8

Admiral Owen Paris
Admiral Ross
1
Anastasia Komananov
1
Captain Q
Colonel Worf
1
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
Dr. Leonard McCoy
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
Nexus Guinan
Pel
1
Pugilist Q
Resolute Chakotay
Riley Frazier
1
Rogue Harry Kim
1
Ruk
Rura Penthe Reed
Smuggler Kasidy Yates
1
Tash
1
Trader Odo
Tuvix
1
Vedek Bareil Antos
Warship Janeway
Xindi 'Prisoner' Archer

Tier 9

Anbo-jyutsu Riker
Angel I Riker
Arandis
1
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
Doctor Paul Stubbs
1
Dr. Toby Russell
1
Dr. Tolian Soran
1
Dress Uniform Beverly Crusher
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
Lucien
M-113 Creature
Malik
1
Maquis Ro Laren
Mirror Ezri Tigan
Mirror Leeta
Mirror Uhura
Mirror Vic Fontaine
Mother Horta
Professor Scott
Q Junior
Resistance Shakaar
1
Stranded Odo
Sulu of the Body
1
Taresian Kim
The Duras Sisters
Thot Gor
1
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
Zahl Ambassador
1

Tier 10

Agent Harris
Amanda Grayson
Anij
Automated Unit 3947
Cadet Wesley Crusher
Captain John Harriman
Commander Shelby
Commander Uhura
Danara Pel
1
Demora Sulu
Doctor Chapel
1
Feezal Phlox
Fencing Sulu
Fierce Guinan
Forra Gegen
GI Chakotay
Lieutenant Arex Na Eth
Lieutenant Tarah
Lon Suder
Lt. Ilia
Luther Sloan
Maquis Eddington
Martia
Michael Sullivan
Miral Torres
Mirror Archer
Mirror Empress Sato
Mirror Sisko
One Zero
Orion Slaver
Rigel VII Vina
1
Saowin
Silik
Solbor
Tarquin
1
Transporter Chief Rand
Zero One