Dave
Ian
Claire
Gail
Alvin (voice)
Simon (voice)
Theodore (voice)
Female Intern 1
Female Intern 2
Female Intern 3
Amy
Mother in Store
Vet
Engineer
Director
Ted
Barry
Photographer
Butler
Security Guard
Press Coordinator
Jillian Reynolds
DJ
French Doll (voice)
Spanish Doll (voice)
Choreographer
Dancer
Poolside Girl (uncredited)
Alvin (singing voice) (uncredited)
Theodore (singing voice) (uncredited)
Band Member (uncredited)
Concert Attendee (uncredited)
Alvin's Fan (uncredited)
Dancer (uncredited)
Band Roadie (uncredited)
Dancing DJ (uncredited)