Frank Hardy (31 episodes, 2020-2023)
Joe Hardy (31 episodes, 2020-2023)
Callie Shaw (30 episodes, 2020-2023)
Chet Morton (30 episodes, 2020-2023)
Biff Hooper (30 episodes, 2020-2023)
Trudy Hardy / Aunt Trudy (28 episodes, 2020-2023)
Phil Cohen (26 episodes, 2020-2023)
JB Cox / J.B. Cox (24 episodes, 2020-2023)
Gloria / Gloria Estabrook (20 episodes, 2020-2023)
Wilt (18 episodes, 2020-2023)
Belinda Conrad (17 episodes, 2022-2023)
Mrs. Khan / Kanika Khan (14 episodes, 2020-2023)
Fenton Hardy (13 episodes, 2022-2023)
Jesse Hooper (13 episodes, 2020)
Fenton Hardy (13 episodes, 2020)
Laura Hardy (12 episodes, 2020-2023)
Jesse Hooper (12 episodes, 2022-2023)
George Estabrook / Older George Estabrook (11 episodes, 2020-2023)
Brian Conrad (11 episodes, 2022-2023)
Mr. Munder / Adrian Munder (11 episodes, 2022-2023)
Lucy Wayne (10 episodes, 2022)
Olivia Kowalski (10 episodes, 2022-2023)
Sam Peterson (10 episodes, 2020-2023)
Stefan (9 episodes, 2020-2023)
Tall Man (8 episodes, 2020)
Drew Darrow / Drew Sparewell (8 episodes, 2023)
Stacy Baker / Stacy Nabokov (8 episodes, 2020-2023)
Angela Todd (8 episodes, 2022)
Young George Estabrook / Young George (8 episodes, 2022-2023)
Donald Dukay (8 episodes, 2022-2023)
Ezra Collig (7 episodes, 2020)
Dennis Gilroy (7 episodes, 2022)
Agent Driscoll (7 episodes, 2023)
Mack Malone (7 episodes, 2022)
Deputy Con Riley (6 episodes, 2022)
Hurd Sparewell (5 episodes, 2023)
Desk Sergeant (4 episodes, 2020)
Mayor Krassner (4 episodes, 2022)
Lola Burton (4 episodes, 2022)
William Vogel (4 episodes, 2023)
Dean McFarlane (4 episodes, 2020-2022)
Dr. Vivian Burelli (4 episodes, 2022)
Nurse Cody (4 episodes, 2022)
Teenage Boy / Aaron Munder / Adrian Munder / Young Aaron (4 episodes, 2022-2023)
Nigel (Khan Bodyguard) (3 episodes, 2020)
Stacy's Aunt (3 episodes, 2020)
Stacy's Uncle (3 episodes, 2020)
Rupert Khan (3 episodes, 2020)
Bob Carpenter (3 episodes, 2023)
Vanessa Bender (3 episodes, 2022)
Dean Adelia Kurt (3 episodes, 2023)
Ms. Kane (3 episodes, 2022)
Young Gloria (3 episodes, 2022-2023)
Emma (2 episodes, 2020)
Anya Kowalski (2 episodes, 2020)
Sergei Nabokov (2 episodes, 2020)
Cadmus Quill (2 episodes, 2023)
Ballon Game Master / Balloon Game Master (2 episodes, 2020-2023)
Ahmed Khan (2 episodes, 2020)
Ern Cullmore (2 episodes, 2020)
Teacher (2 episodes, 2020)
Tom Elroy (2 episodes, 2022)
Younger Gloria (2 episodes, 2020)
Tiffany Cohen (2 episodes, 2022)
Shawna Mayer (Ern's Girlfriend) (2 episodes, 2020)
Pilot (2 episodes, 2023)
Pilot Goon (1 episode, 2023)
Older Kid (1 episode, 2020)
Stavros Vasili (1 episode, 2020)
Ring Toss Game Master (1 episode, 2020)
Cranky Assistant (1 episode, 2020)
Billy (Hit w / Soda) (1 episode, 2020)
Orderly (1 episode, 2020)
Tan Likely (1 episode, 2020)
Ms. Ana Diaz (1 episode, 2020)
Librarian (1 episode, 2020)
Sandra (Emma's Friend) (1 episode, 2020)
Curtis (1 episode, 2020)
Vanessa Bender (1 episode, 2022)
Noel Bickford (1 episode, 2023)
Rosegrave Candidate (1 episode, 2020)
Nurse (1 episode, 2020)
Steve Shaw (1 episode, 2022)
Flight Attendant (1 episode, 2020)
Adams (1 episode, 2020)
Police Officer (1 episode, 2020)
Burly Bouncer (1 episode, 2023)
Guard (1 episode, 2020)
Young Laura (1 episode, 2020)
DSA Agent (1 episode, 2023)
Tess Owens (1 episode, 2023)
Aucoin (City Inspector) (1 episode, 2020)
Mr. Dukay (1 episode, 2020)
Phone Booth Man (1 episode, 2020)
Man in Black (1 episode, 2020)
Tad Carson (1 episode, 2022)
Nurse (1 episode, 2022)
Hard-Looking Man (1 episode, 2020)
Hotel Clerk (1 episode, 2020)
Erica (1 episode, 2022)
Dr. Grafton (1 episode, 2023)
Bill Cullmore (1 episode, 2020)
Detective Richards (1 episode, 2022)
Captain (Fishing Vessel) (1 episode, 2020)
Hotel Clerk (1 episode, 2022)
Demon Masked Intruder (1 episode, 2022)
Pine Grove Orderly (1 episode, 2023)
Fisherman #1 (1 episode, 2020)
Professor (1 episode, 2022)
Young Drew (1 episode, 2023)
Fisherman #2 (1 episode, 2020)
Cop (1 episode, 2022)
Woman (1 episode, 2023)
Physics Professor (1 episode, 2023)
Cory (School Bully) (1 episode, 2020)
Student (uncredited) (4 episodes, 2022)
Bridgeport Townsperson / Carnival Goer / Wilt's Deli Patron (uncredited) (3 episodes, 2020)
Miss Collins (uncredited) (2 episodes, 2020)
Student at dance (uncredited) (2 episodes, 2022)
Rosegrave Academy Student (uncredited) (2 episodes, 2022)
Sonya (uncredited) (1 episode, 2020)
Paramedic (uncredited) (1 episode, 2020)
Shocked and Surprised Passerby in the Fairgrounds (uncredited) (1 episode, 2020)
Backcatcher (uncredited) (1 episode, 2020)
Goon (uncredited) (1 episode, 2022)