Sam Neill

Damien Thorn

Rossano Brazzi

De Carlo

Don Gordon

Dean

Lisa Harrow

Kate Reynolds

Mason Adams

President

Robert Arden

American Ambassador

Leueen Willoughby

Barbara

Milos Kirek

Brother Martin

Tommy Duggan

Brother Mattius

Louis Mahoney

Brother Paulo

Richard Oldfield

Brother Simeon

Tony Vogel

Brother Antonio

Hugh Moxey

Manservant

Norman Bird

Dr. Philmore

Arnold Diamond

Astronomer

Eric Richard

Astronomer's Technician

Al Matthews

Workman

Jeremy Bulloch

News reporter (uncredited)

Hazel Court

Champagne Woman (uncredited)

Guy Standeven

Auction Attendee (uncredited)

Ruby Wax

US Ambassador's secretary (uncredited)