Sam Neill character Damien Thorn
Rossano Brazzi character DeCarlo
Don Gordon character Dean
Lisa Harrow character Kate Reynolds
Barnaby Holm character Peter Reynolds
Mason Adams character President
Robert Arden character American Ambassador
Leueen Willoughby character Barbara
Marc Boyle character Brother Benito
Milos Kirek character Brother Martin
Tommy Duggan character Brother Mattius
Louis Mahoney character Brother Paulo
Richard Oldfield character Brother Simeon
Tony Vogel character Brother Antonio
Arwen Holm character Carol
Hugh Moxey character Manservant
William Fox character Diplomat
John Baskcomb character Diplomat
Norman Bird character Dr. Philmore
Marc Smith character Press Officer
Arnold Diamond character Astronomer
Eric Richard character Astronomer's Technician
Richard Williams character Vicar
Stephen Turner character Stigwell
Al Matthews character Workman
Larry Martyn character Orator
Frank Coda character Orator
Harry Littlewood character Orator
Harvey Bernhard character US Embassy employee (uncredited)
Jeremy Bulloch character News reporter (uncredited)
Hazel Court character Champagne Woman (uncredited)
Guy Standeven character Auction Attendee (uncredited)
Ruby Wax character US Ambassador's secretary (uncredited)