| Artist name | Roles | Recordings |
|---|---|---|
| Joe René | producer | It's Not Easy, Wait for Me |
| Luis Bacalov | arranger, conductor | Alla mia età, Pel di carota |
| Ennio Morricone | ||
| Gianni Meccia | ||
| Raphael (Spanish balladist) |
| Artist name | Roles | Recordings |
|---|---|---|
| Joe René | producer | It's Not Easy, Wait for Me |
| Luis Bacalov | arranger, conductor | Alla mia età, Pel di carota |
| Sammy Lowe | arranger, conductor | It's Not Easy |
| Artist name | Roles | Recordings |
|---|---|---|
| Ennio Morricone | performer | 私はパボーネ |
| Gianni Meccia | vocal | プリップ |
| Raphael | vocal | A quién le importa (feat. Rita Pavone) |
| Robert B. Sherman | vocal | スーパーカリフラジリスティックエスピラリドーシャス |