Doppelgänger

Roy Thinnes

Colonel Glenn Ross

Ian Hendry

John Kane

Patrick Wymark

Jason Webb

Lynn Loring

Sharon Ross

Loni von Friedl

Lisa Hartmann

Franco De Rosa

Paulo Landi

George Sewell

Mark Neuman

Ed Bishop

David Poulson

Philip Madoc

Dr. Pontini

Vladek Sheybal

Psychiatrist

George Mikell

Captain Ross

Herbert Lom

Doctor Hassler

Nicholas Courtney

Data Analyst

Peter van Dissel

Mallory

Jon Kelley

Nurse