发行公司：
- Produzioni Atlas Consorziate (P.A.C.) [意大利] (1979) (Italy) (theatrical) (as "Caligola")
- Analysis Film Releasing Corporation [美国] (1980) (USA) (theatrical)
- Seville Pictures [加拿大] (1980) (Canada) (theatrical) (Canada: Quebec)
- GTO [英国] (UK)
- Ízaro Films S.A. [西班牙] (1981) (Spain) (theatrical)
- Citadel Films [加拿大] (1981) (Canada) (theatrical) (Canada: English Canada)
- Gaumont Italia [意大利] (1984) (Italy) (as "Io) (Caligola")
- Independent Artists [美国] (1999) (USA) (re-release)
- Penthouse Video (1999) (USA) (re-release)
- Vestron Video [美国] (1996) (USA) (VHS)
- Image Entertainment Inc. [美国] (1999) (USA) (DVD)
- Electric [英国] (UK) (VHS)
- Screen Multimedia-Metrodome Distribution [英国] (UK) (VHS) (re-release)
- Universal Video (UV) [意大利] (Italy) (VHS)
- KAVAN-Scanbox Entertainment [丹麦] (Denmark) (VHS)
- Filmco Sweden [瑞典] (Sweden) (VHS)
- Hem Films/HemVideo Film [瑞典] (Sweden) (VHS) (re-release)
- Movies Select Video [荷兰] (Netherlands) (VHS)
- Amuse Pictures Inc. [日本] (Japan) (DVD) (VHS distributor)
- Bitworks [日本] (Japan) (DVD) (VHS releaser)
- Ekaterinburg Art Home Video (EAHV) [俄罗斯] (Russia) (DVD)
- BRI Video [美国] (USA) (VHS) (R version)
- Cine Video Corporation (CVC) S.r.l. [意大利] (Italy) (VHS) (1984 version)
- Dutch FilmWorks (DFW) B.V. [荷兰] (Netherlands) (DVD)
- General Media International Financial Services (GMIFS) N.V. (international)
- Home Video Hellas (HVH) [希腊] (Greece) (VHS)
- Roadshow Home Video [澳大利亚] (Australia) (VHS)
- Tobis Filmkunst [德国] (West Germany)
- Warner Vision Australia [澳大利亚] (2005) (Australia) (DVD) (cut)
其他公司：
- Cinenoleggio technical equipment
- Ferani Veste [意大利] costume rental
- L.C.P. di Pompei [意大利] shoes
- Rancati [意大利] props
- Rocchetti e Carboni [意大利] wigs
- Royal Italian Symphonia [意大利] orchestra
- Soc G.E.S.C.A. S.p.a. [意大利] accounting
- Twickenham Film Studios [英国] sound re-recording
- V.G. S.r.l. [意大利] titles and opticals (1984 version)
