Kit Casey-a yellow kit fox with an American accent and Sam's partner. name is likely a play on the name of her species and the fact that baby foxes are called kits. Unlike her partner, Kit is naturally a total slob and never misses a chance to snack when possible, despite being a worse detective than Sam, she more than makes up for it with her vast knowledge of the various animal species they encounter. Unlike Sam, Kit doesn't mind getting wet, is far more reckless, true to the nature of her species, thrives in warmer, tropical weather. Despite her brave and confident personality, in "The Secret of the Sand Serpent". Kit's main gadget is a visor that performs similarly to Sam's glove, but she also carries around a pen and notebook to draw out details on the latest suspect. Catchphrases-"What in the woolly world?", "Twist my tail", "Don't get your tail twisted", or "Ain't that something."

Sam Snow-a silver snow leopard with an English accent and Kit's partner. A neat freak by nature and always out for clues and gizmos, Sam is a master detective and tends to be the one to analyze the situation at hand. Sam's last name is likely a play on the fact that snow leopards often live in frigid, snowy climates. True to his species, Sam dislikes getting wet and thrives in cold, snowy weather, though unlike Kit he is less than agile and often stumbles during most chases, despite being the more cautious of the two. Sam's main gadget is a glove that performs similarly to Kit's visor, but he is also responsible for carrying the Clu-Bots: small spherical robots that can transform for many different purposes. catchphrases-"Whiskers, that's it!" or "Whiskers!".

Peggy Scratch-a brown chicken and the director of C.L.A.D.E. She puts up a serious and professional front, Director Scratch is just as eccentric as her employees, and not above their levels of fun and frivolities. she rarely leaves HQ on missions, Scratch is very accomplished and very competent in the field, being an accomplished egg bowler on top of managing case files in her office. Catchphrase-"C.L.A.D.E. is counting on you!".

siblings who head the surveillance team for CLADE. The Creature Cases. referred to as "The Mice Squad,"operate silently from their undercover van to take photos, report cases, and gather information for HQ. As the eyes and ears of CLADE, they always seem to be in the right place at the exact time an animal mystery strikes. main agents Sam Snow and Kit Casey solve the case, they often pop up to share specialized biology trivia about the featured creature.They can be spotted wearing multiple pairs of sunglasses under signature colorful, ombre glasses