| Role in the series | Character name | Seasons appeared in |
| Mobster hired by brother | |
| Ex-fiance of physical therapist | |
| Went to high school with main character | |
| Son of girlfriend, was tutored by main character | |
| Ex-husband of woman main character went to high school with | |
| Daughter of Producer | |
| Main character's final love intrest, matchmaker | |
| Brother's and Physical Therapist's son | |
| Traffic reporter, usually yells | |
| Physical Therapist's Mother | |
| Physical Therapist's Father | |
| Physical Therapist's Brother | |
| Physical Therapist's second brother | |
| Physical Therapist's favorite brother | |
| Physical Therapist's third brother | |
| Physical Therapist's grandmother | |
| Main character's upstairs neighbor, constantly fights with main character | |
| Newspaper columnist, hates main character | |
| Greek relative of the main characters, rumored to strangle knatsis with her jumprope | |
| Main character's Greek uncle | |
| Main character's Greek cousin | |
| Main character's children's performing ex-wife | |
| Owner of father's favorite bar, father's friend | |
| Annoying radio station intern | |