William O'Leary
Playing Marty Taylor | |
| Episode Number | Episode Title |
| 079/4.05 | He Ain't Heavy, He's Just Irresponsible |
| 086/4.12 | 'Twas the Night Before Chaos |
| 093/4.19 | The Naked Truth |
| 098/4.24 | Sisters and Brothers |
| 103/5.03 | Her Cheatin' Mind |
| 104/5.04 | Jill's Surprise Party |
| 107/5.07 | The Look |
| 111/5.11 | That's My Momma |
| 113/5.13 | Oh, Brother |
| 116/5.16 | The Vasectomy One |
| 118/5.18 | When Harry Kept Delores |
| 125/5.25 | Alarmed by Burglars |
| 136/6.10 | The Wood, the Bad and the Hungry |
| 138/6.12 | No Place Like Home |
| 144/6.18 | Something Old, Someone Blue |
| 166/7.15 | Say Goodnight, Gracie |
| 172/7.21 | The Son Also Mooches |
| 173/7.22 | Believe It or Not |
| 176/7.25 | From Top to Bottom |
| 186/8.10 | Thanks, But No Thanks |
| 187/8.11 | Home for the Holidays |
| 188/8.12 | Ploys for Tots |
| 191/8.15 | Knee Deep |
| 192/8.16 | Mark's Big Break |
| 193/8.17 | Young at Heart |
| 194/8.18 | Love's Labor Lost, Part I |
| 197/8.21 | A Hardware Habit to Break |
| 200/8.24 | Dead Weight |
| 201/8.25 | The Long and Winding Road, Part I |
| 203/8.27 | The Long and Winding Road, Part III |
