Mary Elizabeth / Mary Elizabeth Penrose (26 episodes, 2000-2002)
Kale Stiglic (21 episodes, 2000-2002)
Ross Korolus (14 episodes, 2000-2001)
Dalal Vidya (11 episodes, 2000-2002)
Ethan Stiglic (11 episodes, 2000-2001)
Fern (5 episodes, 2001-2002)
Ms. Terzik-Sykes (4 episodes, 2000-2001)
Shana (4 episodes, 2000-2001)
Mr. Minetta (4 episodes, 2000-2001)
Mrs. Korolus / Ross' Grandmother / Ross's Grandmother (3 episodes, 2000-2002)
Mr. Korolus / Ross' Grandfather / Ross's Grandfather (2 episodes, 2000-2002)
Gordon (2 episodes, 2001-2002)
Perfectly Frank (2 episodes, 2000)
Gail (2 episodes, 2000)
Mr. Finzwaite (2 episodes, 2001)
Joey Stiglic (1 episode, 2000)
Mila Stiglic (1 episode, 2000)
Kenny (1 episode, 2000)
Oscar (1 episode, 2000)
Doctor (1 episode, 2000)
Mr. Henry (1 episode, 2000)
Connie (1 episode, 2000)
Tommy (1 episode, 2001)
Grace Penrose (1 episode, 2001)
Duty Counsel (1 episode, 2001)
Enormous George (1 episode, 2001)
Bill's 3rd Grade Teacher (1 episode, 2001)
Hennesy (1 episode, 2001)
Jennifer (1 episode, 2001)
Nurse (1 episode, 2001)
Enormous Guy (1 episode, 2001)
Alonzo (1 episode, 2001)
Dora (1 episode, 2001)
Desk Sergeant (1 episode, 2001)
Bert (1 episode, 2001)
Dr. Yit (1 episode, 2001)
Nicholas (1 episode, 2001)
Kayla (1 episode, 2001)
Benita (1 episode, 2001)
André (1 episode, 2001)
Ragged Guy (1 episode, 2001)
Kayla's Dad (1 episode, 2001)
Doctor (1 episode, 2001)
Guard (1 episode, 2002)
Ms. Burke (1 episode, 2002)
Self (1 episode, 2002)
Ranting Man (1 episode, 2002)
Malachi (2001) (unknown episodes)
Rollins (unknown episodes)
Bill Fisher (unknown episodes)