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Undercover is the first episode of the second season of Brooklyn Nine-Nine, and the twenty-third episode overall.
Starring: Andy Samberg (Detective Jake Peralta), Stephanie Beatriz (Detective Rosa Diaz), Terry Crews (Sergeant Terry Jeffords), Melissa Fumero (Detective Amy Santiago), Joe Lo Truglio (Detective Charles Boyle), Chelsea Peretti (Gina Linetti)
Guest Starring: Jenny Slate (Bianca)
Co-Starring: Derick Alexander (Airport Official), Ray Campbell (Special Agent Marx), Amato D'Apolito (Mafia Thug #1), Nick De Mauro (Tony), Sari Lennick (Bev), Paul Mabon (Officer Lou), Joe Sabatino (Benny), Dominic Paolo Testa (Mafia Thug #2)