- Wellwater Conspiracy
- Matt Cameron – drums, vocals, guitars, bass guitar, keyboards, artwork
- John McBain – guitars, bass guitar, keyboards, screams
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- Additional musicians and production
- April Cameron – viola on "Hal McBlaine", "B.O.U.", and "Dr. Browne Dr. Greene"
- Justine Foy – cello on "Hal McBlaine", "B.O.U.", and "Dr. Browne Dr. Greene"
- Rebecca Keith – violin on "Hal McBlaine", "B.O.U.", and "Dr. Browne Dr. Greene"
- Luke St. Kimble – vocals on "B.O.U."
- Gerry Amandes – bass guitar on "Hal McBlaine", keyboards on "Jefferson Experiment"
- Glenn Slater – keyboards, synthesizer, piano on "Hal McBlaine", "Born With a Tail", "Red Light, Green Light", "B.O.U." and "Jefferson Experiment"
- Josh Homme – vocals on "Teen Lambchop", "Red Light, Green Light", and "Ladder to the Moon", bass guitar on "Ladder to the Moon" and "Good Pushin'"
- John Golden – mastering
- John Burton – mixing assistance
- Adam Kasper – production
- Wellwater Conspiracy – production, mixing
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