Arranged By, Composed By, Edited By, Guitar, Piano, Producer, Vocals, Written-By [& Weirdness, Scientific Mutilation] – Frank Zappa
Artwork, Assemblage [Plaster Figures, All Other Artwork] – Cal Schenkel
Bass, Vocals – Roy Estrada
Conductor [Orchestral Segments, , Supervised By Composer] – Sid Sharpe*
Design [Fashions] – Tiger Morse
Drums, Trumpet, Vocals [& Indian Of The Group] – Jimmy Carl Black
Drums, Vocals – Billy Mundi
Effects [Snorks] – Dick Barber
Engineer [Record & Remix], Voice [Interruptions] – Dick Kunc
Engineer, Voice [Creepy Whispering] – Gary Kellgren
Executive-Producer – Tom Wilson (2)
Performer – Don Preston
Photography By – Jerrold Schatzberg*
Piano, Woodwind – Ian Underwood
Soprano Saxophone, Baritone Saxophone [Road Manager, And Desperately Needed Teen Appeal] – Euclid James Motorhead Sherwood*
Voice [Noted Philosopher & Guitarist With The Cream Has Graciously Consented To Speak To You In Several Critical Areas] – Eric Clapton
Voice [Telephone] – Suzy Creamcheese
Voice [Turn Your Radio Around] – Spider*
Woodwind, Vocals [Mumbled Weirdness] – Bunk Gardner