Rohan Campbell

as Frank Hardy

Alexander Elliot

as Joe Hardy

Bea Santos

as Aunt Trudy

Keana Lyn

as Callie

Adam Swain

as Chet Morton

Riley O'Donnell

as Biff Hooper


Cristian Perri

as Phil Cohen

Jennifer Hsiung

as Jesse Hooper

Linda Thorson

as Gloria

James Tupper

as Fenton Hardy (1st season)

Anthony Lemke

as Fenton Hardy (2nd season)