该片改编自2009年讲述波尔卡舞王扬·莱万的纪录片，一代波尔卡传奇舞王扬·莱万(布莱克饰)因欺骗粉丝投资“庞氏骗局”最终锒铛入狱。
Jack Black
Jan Lewan
Jenny Slate
Marla Lewan
Jason Schwartzman
Mickey Pizzazz
Jacki Weaver
Barb
JB Smoove
Ron Edwards
Robert Capron
David Lewan
Willie Garson
Lonny
Vanessa Bayer
Bitsy Bear
Robert Macaux
Christopher
Mary Klug
Anita Krzyewski
Wallace Wolodarsky
Vince
Lew Schneider
Lou Laroue
Phyllis Kay
Marilyn
Richard Donelly
Stan Moetek
