Marvel: Avengers Alliance is a 2015 TV series based on the popular Facebook game of the same name.
- Tim Roth as Agent Bernard Willais
One of two new rookie SHIELD agents, assigned to investigate and do everything in there power to stop various villains from using the powerful Iso-8 crystals. Bernad is himself a lonely, disloyal man, and SHIELD and himself hopes to change that.
- Diora Baird as Agent Lilla Lam
One of two new rookie SHIELD agents, assigned to investigate and do everything in there power to stop various villains from using the powerful Iso-8 crystals. Formerly a sleazy bodyguard, SHIELD recognized her superior talents nonetheless and got her cleaned up.
- Scarlet Johansson as Black Widow/Nastasha Romanoff
One of SHIELD's top agents, the Black Widow is a notoriously tough, skilled infiltrator. Black Widow is one of the three heroes assigned to the Agents' squad.
- Robert Downey, Jr. as Iron Man/Tony Stark
One of the smartest men in the world, Tony is known for his good looks, quick wit, and heroic skill as Iron Man. In addition to being a primary mission advisor, Iron Man also helps out in the field.
- Chris Pine as Hawkeye/Clint Barton
The world's top archer, Hawkeye is one of the three heroes assigned to the Agents' squad.
- Samuel L. Jackson as Nick Fury
SHIELD's top commander, Nick Fury is responsible for debriefing the Agents and overall acting like a leader.
- Clark Gregg as Phil Coulson
Deadpan in every sense of the word, Phil is a SHIELD agent.
- Olivia Munn as Maria Hill
Fury's second in command, Maria is a very stern woman who takes her job with the utmost seriousness.
In addition to the main cast, each episode features another Marvel hero that helps out with the mission.
- Jason Lewis as Angel/Warren Worthington III
- Michael Rapaport as Ant-Man/Hank Pym
- Gerard Butler as Ares
- Kelsey Grammer as Beast/Hank McCoy
- Terrence Howared as Lucas Bishop
- Wentworth Miller as Black Bolt/Blackagar Boltagon
- Djimon Hounsou as Black Panther/T'Challa
- Robert Wisdom as Doctor Voodoo/Jericho Drumm
- Dennis Quaid as Cable/Nathan Summers
- Terry Crews as Luke Cage
- Jensen Ackles as Captain America/Steve Rogers
- Daniel Craig as Captain Britian/Brian Braddock
- Daniel Cudmore as Colossus/Piotr Rasputin
- James Marsden as Cyclops/Scott Summers
- Matthew Fox as Daredevi/Matt Murdock
- Ryan Reynolds as Deadpool/Wade Wilson
- Johnny Depp as Dr. Stephen Strange
- Charlize Theron as Elektra Natchios
- Hugh Laurie as Mr. Fantastic/Reed Richards
- Kate Bosworth as Emma Frost
- Taylor Kitsch as Gambit/Remy LeBeau
- Nicolas Cage as Ghost Rider/Johnny Blaze
- Famke Janssen as Phoenix/Jean Grey
- James Badge Dale as Havok/Alex Summer
- Jeffrey Dean Morgan as Hercules
- Ed Norton as Hulk/Bruce Banner