| Allegiance | Character | Mask(s) | Vehicle(s) | Description |
| MASK | Ace Riker
 | Ricochet
 | Slingshot
 | Ace Riker is a former NASA test pilot. His "Ricochet" helmet fires an energy-based boomerang. His "Slingshot" vehicle is an RV (Recreational Vehicle) which launches a simple-looking aircraft (reminiscent of USAF prototype Bell X-1).
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| MASK | Alex Sector
 | Jack Rabbit
 | (sub) Rhino
 | Alex Sector is a botanist and communications expert. His "Jack Rabbit" helmet allows him to hover and fly (Hummingbird?). He is usually the copilot of Rhino, but in a very few episodes he commands (or rides upon) a 6-wheeler that detaches from Rhino.
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| MASK | Brad Turner
 | Hocus Pocus
 | Condor
 | Brad Turner is an expert helicopter pilot (and musician). His "Hocus Pocus" helmet projects holograms. His "Condor" vehicle is a sport bike which converts to a helicopter.
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| MASK | Bruce Sato
 | Lifter
 | Rhino
 | Bruce Sato is a mechanical engineer (and toy designer). His "Lifter" helmet allows him to levitate (or at least stop descent) of people and medium-sized vehicles. His "Rhino" vehicle is a Kenworth W900 tractor which converts into a mobile battle platform (provides "tank" and "anti-aircraft" support).
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| MASK | Buddy Hawks
 | Penetrator
 | Firecracker
 | Buddy Hawks is an automobile mechanic and a master of disguise. His "Penetrator" helmet phases himself (and sometimes his vehicle) out of normal space (allowing unhindered passage through matter). His "Firecracker" vehicle is a dually pickup truck which converts into a ground assault vehicle. It can also carry a dirt bike. (He was co-pilot of Firecracker until Hondo MacLean got his own vehicle.)
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| MASK | Calhoun Burns
 | Gulliver
 | Raven
 | Calhoun Burns is a construction and demolitions expert. His "Gulliver" helmet temporarily changes the size of an object. His "Raven" vehicle is a Chevrolet Corvette that converts into a seaplane.
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| MASK | Dusty Hayes
 | Backlash
 | Gator
 | Dusty Hayes is a stunt car driver (and pizza chef). His "Backlash" helmet fires a kinetic pulse train. His "Gator" vehicle is a Jeep CJ7 that launches a hydroplane (which is armed with a "laser" gun and depth charge).
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| MASK | Gloria Baker
 | Aura
 | Shark
 | Gloria Baker is a race car driver and master of Kung Fu. Her "Aura" helmet can move and protect objects (including people). Her "Shark" vehicle is a Porsche 928 that converts into a submarine.
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| MASK | Hondo MacLean
 | Blaster
 | Firecracker
 | Hondo MacLean is a weapons specialist (and history professor). His "Blaster" helmet (two versions) fires an intense radiation beam. His (first) "Firecracker" vehicle is a dually pickup truck which converts into a ground assault vehicle. It can also carry a dirt bike. His (second) vehicle is called either "Hurricane" or "Night Stalker", and is a 1957 Chevrolet Bel Air that converts into a ground assault vehicle. (Both vehicles feature a spare tire that can be fired as a weapon!)
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Blaster II
 | Hurricane
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| MASK | Jaques LeFleur
 | Miraj
 | Volcano
 | Jaques LeFleur is a natural disaster expert (and hardware store clerk). His "Miraj" helmet renders himself (and the vehicle that he rides) invisible. His "Volcano" vehicle is a Monster Truck/Van that converts into an anti-aircraft turret with ground-support abilities.
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| MASK | Julio Lopez
 | Streamer
 | Firefly
 | Julio Lopez is an expert in cryptography (and a family doctor). His "Streamer" helmet fires a variety of liquids (glue, fire extinguisher, etc.). His "Firefly" vehicle is a hybrid Formula Three / Dune Buggy which converts into quad turboprop airplane.
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| MASK | Matt Trakker
 | Spectrum
 | Thunderhawk
 | Matt Trakker is a philanthropist and the leader of M.A.S.K. His "Spectrum" helmet has large number of features:
- Broadband photon scanner
- High-power energy beam ("laser")
- Reduced-gravity field ("hand-glider")
- Classified (as the plot demands)
His "Thunderhawk" vehicle is a gull-winged Chevrolet Camaro that converts into a jet fighter.His "Ultra-Flash" helmet emits an intense, blinding light. Occasionally he will command "Rhino" (see above / Bruce Sato). His "Lava Shot" helmet fires globs of molten metal. Occasionally he will command "Volcano" (see above / Jaques LeFleur).
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 | Ultra-Flash
 | Rhino
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Lava Shot
 | Volcano
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| MASK | Scott Trakker
 | n/a | T-Bob
 | Scott Trakker is a juvenile hacker and the son of Matt Trakker. He has no techno-helmet because he is not an official MASK member. His "T-Bob" (Thing-a-ma-bob) is a robot that converts into a motor scooter. (In a few rare episodes, T-Bob converts into jet ski mode.)
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| VENOM | Bruno Sheppard
 | Magna-Beam
 | Scorpion
 | Bruno Sheppard specializes in unarmed combat and kidnapping. His "Magna-Beam" helmet can attract/repel any metal object which can be magnetized. His vehicle, called "Scorpion" or "Stinger", is a 1971 Pontiac GTO that converts into a tank (with a large extendable claw in the trunk).
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| VENOM | Cliff Dagger
 | Torch
 | Jackhammer
 | Cliff Dagger is an arsonist, brawler, and an expert in demolitions. His "Torch" helmet shoots balls of fire. His "Jackhammer" vehicle is Ford Bronco that converts into an assault platform (providing both ground attack and anti-aircraft capabilities).
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| VENOM | Floyd Malloy
 | Buckshot
 | Vampire
 | Floyd Malloy is an expert in forgery and a former bike-gang leader. His "Buckshot" mask fires a stream of ball bearings. His "Vampire" vehicle is a sport bike which converts into a small jet fighter.
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| VENOM | Miles Mayhem
 | Viper
 | Switchblade
 | Miles Mayhem is the leader of V.E.N.O.M. His "Viper" mask shoots globs of concentrated acid. His "Switchblade" is a helicopter that converts into a 4G Jet Fighter.
His "Python" mask fires a snare line (similar to "Whip"?) Occasionally he will command "Outlaw" (see below / Nash Gorey).
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 | Python
 | Outlaw
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| VENOM | Nash Gorey
 | Powerhouse
 | Outlaw
 | Nash Gorey is a hacker and spy. His "Powerhouse" / "Samson" helmet makes him physically 10X stronger. His "Outlaw" vehicle is an 18-Wheeler that converts into a mobile battle platform with electronic scanning and jamming abilities.
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| VENOM | Sly Rax
 | Stiletto
 | Piranha

 | Sly Rax is a con-man and weapons expert. His "Stiletto" helmet shoots tiny armor-piercing harpoons. His "Piranha" vehicle is a motorcycle. It features a sidecar which launches into the water and can act as either a jet ski or submarine.
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| VENOM | Vanessa Warfield
 | Whip
 | Manta
 | Vanessa Warfield is an espionage and intelligence agent. Her "Whip" helmet can hit and/or grab things with an energy beam. Her "Manta" vehicle is a Nissan 300ZX that converts into a jet fighter.
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