Harald Belker

饰：Himself - Design Judge

布鲁克·彭斯

Brooke Burns

饰：Herself - Host

Ray McClelland

饰：Himself - Build Tech

Shane Baxley

饰：Himself - Contestant

Kevin J. Chun

饰：Chunner - Contestant

Crazy Jack Struller

饰：Himself - Build Tech

Jameson Neumann

饰：Himself

梅利莎·琼·哈特

Melissa Joan Hart

饰：Herself - Guest Judge

Robby Gordon

饰：Guest Judge

A.J. Allmendinger

饰：Himself - Chevrolet Driver #47

杰西·麦特卡尔菲

Jesse Eden Metcalfe

饰：Himself - Guest Judge

Ed Welburn

Ed Welburn

饰：Himself - GM Vice President, Global Design

David Justice

饰：Guest Judge

Malia Jones

饰：Herself - Guest Judge

Tamar Geller

饰：Herself - Guest Judge

彼特·温兹

Peter Wentz

饰：Himself - Guest Judge