Sam Steele and the Junior Detective Agency

Luke Perry

The Cat

M. Emmet Walsh

Chief Van Owen

Jacob Hays

Sam Steele Jr.

Darren Kennedy

Detective Sam Steele

Katherine McNamara

Emma Marsh

Jilanne Klaus

Kathy Steele

Mike Delia

Detective Artemis Fogle

Holly Reimer

Lenore Cash

Lee Look

Fireman Dave Marsh

Kerry Scram

Casey Marsh

Mik Scriba

Deputy Fire Chief Daniel Carr

Connor Bredbeck

Melvin