The cast of ''Machinima/RedVsBlue'' is so large that it had to be split off to multiple subpages. '''All spoilers for the first twelve seasons will be ''unmarked'' in the subpages below.''' It is highly recommended that you watch the series before reading any of the subpages, or even the character listings. '''Mark spoilers for Season 13.'''
* [[Characters/RedVsBlueRedTeam Red Team]][[note]]Sarge, Simmons, Grif, Donut, Lopez (Lopez the Heavy, Lopez Dos.0)[[/note]]
* [[Characters/RedVsBlueBlueTeam Blue Team]][[note]]Church (The Alpha, Epsilon), Tucker, Caboose, Sheila, Andy, Sister, Butch Flowers, Washington, Freckles[[/note]]
* [[Characters/RedVsBlueProjectFreelancer Project Freelancer]][[note]]Tex, Washington, York, Wyoming, The Meta/Maine, Carolina, Connecticut, South Dakota, North Dakota, Florida, The Director, The Counselor, Pilot 479, F.I.L.S.S.[[/note]]
* [[Characters/RedVsBlueArtificialIntelligences Artificial Intelligences]][[note]]The Alpha, Omega, Gamma, Delta, Beta, Epsilon, Sigma, Theta, Eta and Iota[[/note]]
* [[Characters/RedVsBlueCharonIndustries Charon Industries]][[note]]Malcom Hargrove, Insurrectionist Leader, Red Bandolier Demoman, Flamethrower Soldier, Sleeveless Soldier, The Sniper, Girlie, Rhee Sebeil, Chain Guy and Chain Girl, Felix, Locus[[/note]]
* [[Characters/RedVsBlueChorus Chorus]][[note]]Kimball, Donald Doyle, Emily Grey, Smith, Jensen, Bitters, Palomo, Matthews, Cunningham, Rogers[[/note]]
* [[Characters/RedVsBlueOthers Others]][[note]]Doc, The Alien, "Junior", Vic, Allison, ''Tartarus'' Crew, "Santa"[[/note]]