In the Swiss Alps, Lady Penelope and Tin-Tin go undercover to investigate the link between a popular cabaret band's performances and mysterious attacks on military aircraft.
Lady Penelope Creighton-Ward (voice)
Brains / Parker / Olsen / Captain Savidge / Hitchins (voice)
Jeff Tracy (voice)
Scott Tracy (voice)
Virgil Tracy (voice)
Alan Tracy / Banino / Macklin / Foreign Lieutenant (voice)
John Tracy / Cass Carnaby / Commander, Matthews Field / Radio Maxwell DJ (voice)
Tin-Tin Kyrano / Grandma Tracy (voice)
Maxie / Scheiler / Foreign Colonel (voice) (uncredited)
