"The history of legendary rock band Chicago is chronicled from their inception in 1967 all the way to the present."
Lee Loughnane
as Self
Robert Lamm
Walter Parazaider
James Pankow
Danny Seraphine
Peter Schivarelli
Jason Scheff
David Foster
Keith Howland
Lou Pardini
Chris Pinnick
Walfredo Reyes
Irving Azoff
Joe Mantegna
Ned Colletti
Clive Davis
Carlos Amezcua
David Amezcua
Larry Fitzgerald
Jimmy Pardo
Katherine Muise
Tris Imboden
Peter Cetera
as Self (archive footage)
Terry Kath
James William Guercio
as Self (archival footage)
Don Dacus
Bill Champlin
Dawayne Bailey
John Honoré
as Terry Kath
Nick Frangione
as Jimmy Pankow
Jon Cowart
as Robert Lamm
Jenna Zillman
as Crowd member
Rachael Marie Lau
Peter Curtis Pardini
Director
Line Producer
Executive Producer
Music Supervisor
Editor
Producer
Director of Photography