Ali Larter as Niki Sanders
Dana Davis as Monica Dawson
David Anders as Takezo Kensei
Greg Grunberg as Matt Parkman
Hayden Panettiere as Claire Bennet
Jack Coleman as Noah "H.R.G." Bennet
James Kyson Lee as Ando Masahashi
Kristen Bell as Elle Bishop
Masi Oka as Hiro Nakamura
Milo Ventimiglia as Peter Petrelli
Noah Gray-Cabey as Micah Sanders
Sendhil Ramamurthy as Mohinder Suresh
Zachary Quinto as Gabriel "Sylar" Gray
'Heroes' on DVD:
Main Characters and Their Abilities:
Noah "H.R.G." Bennet: No power, but has inside information about an organization trying to control the heroes.
Nathan Petrelli: Flight - and he's Claire's real father.
Peter Petrelli: Absorbs/Mimics the abilities of any hero nearby.
Niki Sanders: Ability to turn into her evil twin with super strength and a penchant for murder.
Hiro Nakamura: Bend the time/space continuum.
Micah Sanders: Technopath
Sylar: A serial killer who removes the brains of other heroes in order to absorb their abilities.
Adam Monroe: Ability to regenerate.
Mohinder Suresh: Former genetics following his late father's research into people with extraordinary powers. He is also on a quest to take down Sylar once and for all.
Monica Dawson: Adoptive muscle memory - she is able to see something on television/film and mimic actions.
Elle Bishop: Electricity - she has the power to zap people (like being struck by lightning) with her ability.
Most of the characters in the series use their abilities to bring about positive change. However, with the good comes the bad as there are characters such as the evil Sylar, who are determined to control the world by murdering fellow heroes and stealing their powers.