Featuring archival clips from his many groundbreaking productions, the performance-documentary includes interviews with many of Prince's collaborators, including Stephen Sondheim, Andrew Lloyd Webber, Mandy Patinkin, John Kander, Susan Stroman, and Angela Lansbury, all sharing their firsthand insights into his pioneering achievements in the theatre.
| Actor | Role |
|---|---|
 Hal PrinceNot listed | Not listed |
 Stephen SondheimNot listed | Not listed |
 Andrew Lloyd WebberNot listed | Not listed |
 Mandy PatinkinNot listed | Not listed |
 John KanderNot listed | Not listed |
 Susan StromanNot listed | Not listed |
 Angela LansburyNot listed | Not listed |
 Frank RichNot listed | Not listed |
| JJacob Luke MorrellYoung Harold Prince | Young Harold Prince |