Avatar: A New Era - Special Edition of 20/20

David Muir

Self - Co-Host

Deborah Roberts

Self - Co-Host

Matt Gutman

Self - ABC News Chief National Correspondent

James Cameron

Self

Sam Worthington

Self

Kate Winslet

Self

Zoe Saldaña

Self

Oona Chaplin

Self

Sigourney Weaver

Self / Ripley (archive footage)

Stephen Lang

Self

Ginger Zee

Self

Guillermo del Toro

Self

Miley Cyrus

Self

Rae Sanchini

Self

Jon Landau

Self (archive footage)

Suzy Amis

Self (archive footage)

Arnold Schwarzenegger

The Terminator (archive footage)