It's an Adventure, Charlie Brown
Charlie Brown (voice)
Lucy van Pelt (voice)
Linus van Pelt (voice)
Sally Brown (voice)
Peppermint Patty (voice)
Marcie (voice)
Schroeder (voice)
Camp Kids (voice)
Caddymaster (voice)
Ruby (voice)
Austin (voice)
Leland (voice)
Milo (voice)
Camp Kids (voice) (uncredited)
Announcer (voice) (uncredited)
Snoopy / Woodstock (voice) (uncredited)
