Gerald Hiken

as Leo Szilard

as John

as Dr. Austin

as Erdheim

as Dr. Vincent Redding

as (segment "A Message From Charity")

as Reb Shulem

as Theo Grant

as Robin Baskins

as Dimitri Alexandroff

as Morris Getz

as Dennis

as Fischel Shpunt

as Dr. Lorber

as John D. Urquhart

as Painter

as Station Manager

as Etienne Jacoby

as Frank Edwards

as Dr. Bernie Applebaum

as Russ Robinson

as Mahlon, Director

as Commander Haskins

as Thomas Galvin

as Andrei

as Gully

as Vic Fell

as Coroner Adams

as Doc Frayley

as George

as Telegin

as Frank Olmstead

as Newstand Attendant