Discover
Original Release
07/28/2015
Cast
| Name | Character |
|---|
| Ross Mathews | Self - Co-Host |
| Adrienne Houghton | Self - Co-Hostess |
| Tyler Posey | Self - Co-Host |
| Justin Bieber | Self |
| Jeff Gordon | Self |
| Chuey Martinez | Self |
| Kyle Mosonyi | Audience Member |
| Edgar Pevsner | Yuri |
| Ryan Seacrest | Host |
Directors
Ivan Dudynsky, Gary Shaffer, Glenn Weiss
Cast
| Name | Character |
|---|
| Ross Mathews | Self - Co-Host |
| Adrienne Houghton | Self - Co-Hostess |
| Tyler Posey | Self - Co-Host |
| Justin Bieber | Self |
| Jeff Gordon | Self |
| Chuey Martinez | Self |
| Kyle Mosonyi | Audience Member |
| Edgar Pevsner | Yuri |
| Ryan Seacrest | Host |
Producers
| Name | Role |
|---|
| David Bohnert | Executive Producer |
| Kimmie Kim | Executive Producer |
| Jessie Binkow | Producer |
| Anthony Caleca | Producer |
| Paul Cockerill | Producer |
| Joel Dobzewitz | Producer |
| Bob Dussault | Producer |
| Katie Fennelly | Producer |
| Renee Gauthier | Producer |
| William Gilmore | Producer |
| Torey Greenwald | Producer |
| Jillian Irvin | Producer |
| Erin Jurkovich | Producer |
| Tova Kaplan | Producer |
| Karla LeCroix | Producer |
| Raquel Loaiza | Producer |
| Colin MacDougall | Producer |
| Hayden T. Mauk | Producer |
| John-Patrick McLean | Producer |
| Ryan Miller | Producer |
| Moira Noriega | Producer |
| Lauren Siebert | Producer |
| Todd Spradlin | Producer |
| Dave West | Producer |
| David Mendenhall | Producer |
Clips
Knock Knock Live: Father And Son
Knock Knock Live: Justin Beiber
