Janis Joplin character Herself (archive footage)
Cat Power character Narrator (voice)
D. A. Pennebaker character Himself
Dick Cavett character Himself
Peter Albin character Himself
Karleen Bennett character Herself - Janis Joplin's childhood friend
Laura Joplin character Herself - Janis Joplin's sister
Michael Joplin character Himself - Janis Joplin's brother
