All Cast

Jack Palance

Jack Palance

Omus

Carol Lynley

Carol Lynley

Nikki

Barry Morse

Barry Morse

Dr. John Caball

John Ireland

John Ireland

Senator Smedley

Nicholas Campbell

Nicholas Campbell

Jason Caball

Anne-Marie Martin

Anne-Marie Martin

Kim Smedley

Greg Swanson

Greg Swanson

Sparks (voice)

Mark Parr

Mark Parr

Sparks

William Hutt

William Hutt

Lomax (voice)

Ardon Bess

Ardon Bess

Merrick

Lynda Mason Green

Lynda Mason Green

Lunar technician

Albert Humphries

Albert Humphries

Robot technician

Bill Lake

Bill Lake

Spacesuited man