This is a good example of the two main styles of BOC meeting on the same song: a simpler and poppier composition but with the trademark solos and unusual themes.
The band in 1981 was:
- Eric Bloom / lead vocals, guitar, bass on Heavy Metal
- Donald Buck Dharma Roeser / lead guitar, bass & Fx on Joan Crawford, percussion on Veteran of the Psychic Wars), lead vocals
- Allen Lanier / keyboards
- Joseph Bouchard / bass, lead vocals on Vengeance
- Albert Bouchard / drums, synth, lead vocals on Joan Crawford

With:
- Karla DeVito / backing vocals
- Sandy Jean / backing vocals
- Bill Civitella / percussion
- Tony Cedrone / percussion on Veteran of the Psychic Wars
- Jesse Levy / string arrangements