Gore Vidal
Himself - Writer
Malcolm McDowell
Himself - 'Caligula'
Helen Mirren
Herself - 'Caesonia'
Tinto Brass
Himself - Director
Lori Wagner
Herself - Penthouse Pet
Jane Hargrave
Herself - English Pet of the Year
Bob Guccione
Himself - Producer
Sylvana Foa
Herself - United Press International
Guidarino Guidi
Himself - Theatrical Agent
Dennis F. Redmont
Himself - Associated Press
Victor Vramant
Himself - French Television News
Bill Mitchell
Narrator (voice)