(I haven't checked every VA from here on to see if they are still alive, as they are recent series so don't expect too many to have died yet)

Robots in Disguise (2001-2002)

y Steve Blum - Dark Scream, Fortress Maximus, WARS - 11, 13
y Richard Epcar - Armorhide - 02
y Neil Kaplan - Optimus Prime, Ro-Tor - 02, 02e
y Steve Kramer - Cerebros, REV - 02
y Wayne Wankus Lewis - Prowl - 02, 02e
y Michael McConnohie - Hot Shot, Ironhide - 02, 04o, 04b, 09, 11
y Peter Spellos - Sky-Byte - 02
y Tom Wyner - Grimlock - 02

n Keith Anthony - Hightower
n Robert Axelrod - Movor
n Jerry DeCapua - Gas Skunk
n Keith Diamond - Rapid Run
n Sandy Fox - T-AI
n Bob Joles - X-Brawn
n Lex Lang - Tow-Line
n David Lodge - Rail Racer, Midnight Express
n Michael Lindsay - Skid-Z, Rollbar
n Peter Lurie - Slapper
n Darren Norris - Heavy Load
n Michael Reisz - Landfill, Wedge
n Mike Reynolds - Railspike
n Daniel Riordan - Megatron/Galvatron, Omega Prime
n Philece Sampler - Kelly
n Jason Spisak - Koji Onishi
n Barry Stigler - Scourge
n Kim Strauss - Ultra Magnus
n Kirk Thornton - Doctor Onishi
n Wally Wingert - Sideburn, Mirage
n Dan Woren - Crosswise

d Bob Papenbrook - Ruination, Mega-Octane


Armada (2002-2003)

y Garry Chalk - Optimus Prime - 98, 01, 03, 12
y Brian Dobson - Red Alert - 05
y Micheal Dobson - Starscream - 05
y Paul Dobson - Sideways, Nemesis Prime - 05
y David Kaye - Megatron/Galvatron - 97, 98, 03, 07, 08, 09, 11, 12
y Scott McNeil - Jetfire - 98, 99, 01, 04o, 06, 10
y Doug Parker - Tidal Wave - 98 (before this role)

n Mark Acheson - Unicron
n Don Brown - Cyclonus
n Michael Daingerfield - Wheeljack
n Brian Drummond - Blurr
n Andrew Francis - Billy
n Matt Hill - Carlos
n Brent Miller - Hot Shot
n Kirby Morrow - Rad
n Colin Murdoch - Thrust
n Ward Perry - Scavenger
n Tony Sampson - Fred
n Alvin Sanders - Demolishor
n Tabitha St Germain - Alexis
n Sam Vincent - Side Swipe
n Dale Wilson - Smokescreen/Hoist


Energon (2004-2005)

y Garry Chalk - Optimus Prime - 98, 01, 03, 12
y Michael Dobson - Signal Flare, Starscream - 05
y Paul Dobson - Rodimus, Superion Maximus - 05
y David Kaye - Megatron/Galvatron - 97, 98, 03, 07, 08, 09, 11, 12
y Scott McNeil - Jetfire, Omega Supreme, Strongarm - 98, 99, 01, 04o, 06, 10
y Doug Parker - Tidal Wave/Mirage - 98 (before this role)

n Alistair Abell - Prowl
n Mark Acheson - Unicron
n Sharon Alexander - Arcee
n Doron Bell Jr - Cliffjumper
n Don Brown - Cyclonus/Snow Cat, Constructicon Maximus
n Michael Daingerfield - Inferno/Roadblock
n Trevor Devall - Alpha Quintesson, Bruticus Maximus
n Brian Drummond - Shockblast
n Ron Halder - Primus, Brian Jones
n Matt Hill - Ironhide, Carlos
n Ellen Kennedy - Misha
n Terry Klassen - Skyblast, Six Shot
n Brent Miller - Hot Shot
n Kirby Morrow - Rad
n Colin Murdoch - Scorponok, Wing Saber
n Ty Olsson - Downshift
n Ward Perry - Landmine
n Alvin Sanders - Demolishor
n Tabitha St Germain - Alexis
n Brad Swaile - Kicker
n French Tickner - Bulkhead


Cybertron (2005-2006)

y Garry Chalk - Optimus Prime - 98, 01, 03, 12
y Brian Dobson - Red Alert, Clocker - 05
y Michael Dobson - Starscream, Brakedown - 05
y Paul Dobson - Landmine, Overhaul - 05
y David Kaye - Megatron/Galvatron - 97, 98, 03, 07, 08, 09, 11, 12
y Scott McNeil - Snarl, Backstop - 98, 99, 01, 04o, 06, 10
y Richard Newman - Vector Prime - 06

n Mark Acheson - Crumplezone
n Michael Adamthwaite - Lugnutz
n Lisa Ann Beley - Override
n Louis Chirillo - Ransack
n Ted Cole - Sideways
n Richard Ian Cox - Scattorshot
n Michael Daingerfield - Quickmix
n Trevor Devall - Scourge
n Michael Donovan - Dirt Boss, Crosswise, Primus
n Brian Drummond - Jetfire, Jolt
n Sarah Edmondson - Lori
n Ron Halder - Metroplex
n Maryke Hendrikse - Thunderblast
n Ryan Hirakida - Bud
n Peter Kelamis - Wing Saber
n Terry Klassen - Brimstone
n Kirby Morrow - Hot Shot
n Mark Oliver - Thundercracker, Undermine
n Ty Olsson - Evac
n Robert Smith - Soundwave
n Tabitha St Germain - Lucy Suzuki
n Sam Vincent - Menasor, Coby
n Dave Ward - Leobreaker
n Dale Wilson - Mudflap