EXCLUSIVE: T.J. Miller Tries to Keep Up in 'Transformers: Age of Extinction' Clip

Actor and comedian T.J. Miller, one of the stars of HBO's Silicon Valley, has experience in genre films -- he was a part of the Cloverfield ensemble cast, and voices Tuffnut Thorston in the How to Train Your Dragon series. But based on this clip from the special features of the forthcoming Transformers: Age of Extinction home release, his role as Lucas Flannery in the fourth film of the Michael Bay-directed franchise was a new level.

In the clip, debuting exclusively on SPINOFF, Miller explains the struggle to keep up with action movie vet Mark Wahlberg on set -- especially during multiple takes of running scenes.

Transformers: Age of Extinction will be available on HD digital this Tuesday, Sept. 16; and on Blu-ray and DVD Sept. 30. The film, which was released in late June, has grossed more than $1 billion in global box office -- the only 2014 release so far to pass that mark -- and is currently the year's fourth highest-grossing film in domestic totals.

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