Ghost Lab If Walls Could Talk (2009– ) Online
- Original Title :
- If Walls Could Talk
- Genre :
- TV Episode / Documentary / Mystery / Reality TV / Thriller
- Year :
- 2009–
- Directror :
- Sumithrin David
- Cast :
- Barry Klinge,Brad Klinge,Mike Rowe
- Type :
- TV Episode
- Time :
- 43min
- Rating :
- 6.5/10
Brad and Barry investigate the Lemp Mansion in St. Louis, Missouri where four members of the Lemp family committed suicide. They also investigate the McPike Mansion in Alton, Illinois and disco.
| Episode credited cast: | |||
 | Barry Klinge | - | Himself |
| Brad Klinge | - | Himself |
 | Mike Rowe | - | Himself - Narrator (voice) |
 | Katie Burr | - | Herself |
| Steve Harris | - | Himself |
| Hector Cisneros | - | Himself |
| Jason Worden | - | Himself |
| Rest of cast listed alphabetically: | |||
| Betsy Burnett-Belanger | - | Herself - Lemp Mansion Historian |
| Sharyn Luedke | - | Herself - McPike Mansion Owner (as Sharyn) |
| Mary Wolff | - | Herself - Lemp Mansion Owner (as Mary) |