Michael Sembello – Without Walls
- Arranged By [String Arrangements], Strings [Wall Of Doug] – Doug Cameron
- Art Direction – Chuck Beeson
- Backing Vocals [Background Vocals] – Bobby Caldwell, Cruz Sembello, Stevie Wonder
- Coordinator [Project Coordinator] – Ivy Skoff
- Design [Album] – Melanie Nissen
- Drums – Carlos Vega, Vinnie Colaiuta
- Engineer – Dan Marnien, Jim Gallagher, Michael Bowman, Michael Sembello, Nick Spigel, Randy Waldman, Richard Rudolph
- Engineer [Assistant Engineer] – Bud Rizzo, Khaliq Glover
- Guitar – Bud Rizzo, Michael Sembello
- Guitar [Guitar Scientist] – Steve Rippley
- Harmonica – Stevie Wonder
- Horns – Herb Alpert
- Horns [Horn Section] – Bill Reichenbach (2), Chuck Findley, David Boruff, Gary Grant, Larry Williams, Lew McCreary
- Keyboards – Casey Young, Danny Sembello, Michael Sembello, Randy Waldman
- Mastered By – Bernie Grundman
- Mixed By – Tommy Vicari (tracks: A2 to A5, B3, B4)
- Percussion – Ron Powell
- Performer [Sinatra] – Bobby Caldwell
- Performer [Wall Of Mariachis] – Bud Rizzo, Ryan McGonigal, Stan Smengi
- Photography By – Bret Lopez
- Producer – Michael Sembello, Richard Rudolph
- Programmed By – Michael Sembello
- Programmed By [Additional Synthesizer Programmer] – David Boruff, Dennis Matkosky
- Programmed By [Main-synth Jungle Genius Alchemist Programmer] – Casey Young
- Saxophone [Sax] – David Boruff
- Strings [String Section] – Clayton Haslop, Douglas Cameron*, Paula Hochhalter, Sid Page
- Synthesizer – Bobby Caldwell, Steve Porcaro
- Synthesizer [Additional Synthesizers] – Danny Sembello
- Synthesizer [Bass Synthesizer] – Danny Sembello
- Trumpet, Flugelhorn, Arranged By [Horn Arrangements] – Randy Waldman
- Vocals – Michael Sembello
Manufactured by Alfa Records, Inc., Japan
Recorded at Bossa Nova Hotel.
Additional recording at Zebra Sound, Studio 55, Can-Am, Galaxy and Village Recorders.
Tracks A2, A3, A4, A5, B3, B4: Mixed at Lion Share.
Mastered at Bernie Grundman Mastering Studios.
Barcode and Other Identifiers
- Barcode: T4988024100257
- Rights Society: JASRAC
Buyer pays shipping, Domestic: 5 euro for one item, 2 euro for each additional item; International: 15 euro ( with tracking number ) for one item; 5 euro for each additional item; Accepted payments options: PAYPAL.