Charisma Carpenter

LOS ANGELES (Hollywood Reporter) - Terry Bradshaw, Christopher Gorham and former "Buffy the Vampire Slayer" cast members Charisma Carpenter and Nicholas Brendon will star in the ABC Family cable TV movie "Relative Chaos."

The movie centers on a family reunion that takes sibling rivalry to a new level. Every year, Will Gilbert (Bradshaw) holds a weeklong competition among his kids — Dil (Gorham), Gil (Brendon) and Lil (Jenn Robertson) — where the winner takes home the family trophy, the Gilbert Cup.

Never victorious, Dil doesn’t want to participate this time, but his new girlfriend (Carpenter), a highly driven business consultant, has vowed that this will be Dil’s year — even if it kills him.

Principal photography begins this month in Halifax, Nova Scotia, with the movie slated to premiere on the cable network in September.

In addition to WB/UPN’s "Buffy," Brendon’s credits include Fox’s "Kitchen Confidential" and Sci Fi Channel’s upcoming "Alien Fire." Carpenter has been appearing on UPN’s "Veronica Mars." She also starred in WB’s "Buffy" spinoff "Angel."

Gorham’s credits include CBS’ "Out of Practice," UPN’s "Jake 2.0" and WB Network’s "Felicity."

Bradshaw, a former NFL star and now a football analyst for Fox, appeared in the feature film "Failure to Launch" and voiced a role in the film "Robots."