Sam Neill (Damien)
Rossano Brazzi (De Carlo)
Don Gordon (Harvey Dean)
Lisa Harrow (Kate)
Leueen Willoughby (Barbara)
Marc Boyle (Brother Benito)
Hugh Moxey (Manservant)
Frank Coda (Orator)
William Fox (Diplomat)
Richard Williams (Vicar)
Harry Littlewood (Orator)
Larry Martyn (Orator)
Ruby Wax (US Ambassador's Secretary)
Hazel Court
Arnold Diamond (Astronomer)
Arwen Holm (Carol)
Norman Bird (Dr. Philmore)
John Baskcomb (Diplomat)
Al Matthews (Workman)
Eric Richard (Astronomer's Technician)
Marc Smith (Press Officer)
Louis Mahoney (Paulo)
Richard Oldfield (Brother Simeon)
Milos Kirek (Martin)
Tony Vogel (Antonio)
Barnaby Holm (Peter)
Mason Adams (President)
Robert Arden (American Ambassador)
Tommy Duggan (Matteus)