John F. Showalter
Regie, Produzent, Schnitt
Bekannt aus
Filmografie
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| 2016 | Timeless (2016) · as Executive Producer |
| 2002 | |
| 2000 | Gideon's Crossing · as Consulting Producer |
| 2003 | Who Wants To Marry My Dad?auf plex.tv |
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| 1981 |
| 2022 | The Winchesters · as Co-Executive Producer |
| 2005 | Supernatural · as Co-Executive Producer |
| 1991 | Candid Camera · as Coordinating Producer |