Malcolm McDowell
Caligula
Acting
Teresa Ann Savoy
Drusilla
Acting
Helen Mirren
Caesonia
Acting
Peter O'Toole
Tiberius
Acting
John Steiner
Longinus
Acting
Guido Mannari
Macro
Acting
Paolo Bonacelli
Chaerea
Acting
Leopoldo Trieste
Charicles
Acting
Giancarlo Badessi
Claudius
Acting
Mirella D'Angelo
Livia
Acting
Anneka Di Lorenzo
Messalina
Acting
Lori Wagner
Agrippina
Acting
Adriana Asti
Ennia
Acting
John Gielgud
Nerva
Acting
Bruno Brive
Gemellus
Acting
Rick Parets
Mnester
Acting
Paula Mitchell
Subura Singer
Acting
Osiride Pevarello
Giant
Acting
Donato Placido
Proculus
Acting
John Francis Lane
Major Domo (uncredited)
Acting