Peck produced A Conversation with Gregory Peck, about her father, which premiered as a Special Selection in the 2000 Cannes Film Festival, and aired on TCM and PBS American Masters. She directed and produced the documentary short Justice For All, an examination of capital punishment, which was awarded the Silver Gavel Award. She was an associate Producer on Defending Our Daughters, a non-fiction film about women’s human rights for Lifetime Television, which was awarded the Voices of Courage Award by the Women’s Refugee Committee.

Peck married Writer Daniel Voll on September 8, 2001. They have two children. Their son Harper Daniel Peck, born in 1999, is named after Harper Lee. Their daughter was born in 2002. Peck is the ex-sister-in-law of supermodel Cheryl Tiegs, and aunt of actor Ethan Peck. She holds dual citizenship in the US and France, and is French speaking.

Peck directed and produced Shut Up & Sing, about the backlash against the Dixie Chicks for opposing the Iraq War. The film premiered at the Toronto International Film Festival, won a Special Jury Prize at the Chicago Film Festival, Best Documentary at the Sydney, Aspen, and Woodstock Film Festivals, and was shortlisted for the 2007 Academy Awards.

Peck directed and produced the feature documentary Brave Miss World (Netflix), following Linor Abargil's fight for justice and mission to break the silence around rape. The film was nominated for the Emmy Award for Exceptional Merit In Documentary Filmmaking in 2014.