Following his graduation from Baylor and marriage to Kathryn Buffington, Miller entered the Metropolitan Urban Study Program in New York City directed by Bill Webber of East Harlem Protestant Parish.

It was there in March, 1969 that Miller met Peter, Paul and Mary and convinced them to allow him to make a documentary of their music and activism.

The film, shot and directed by Tobe Hooper, aired on PBS for ten years starting in Easter 1970.

In 1989, For All Mankind was selected as the Audience Favorite and the Grand Jury Winner at the Sundance Film Festival and was nominated for an Academy Award.

In 1999 Miller joined Lloyd Walker at Human Code, Inc., a digital-content studio that built web sites, developed computer games and created broadband programming.

In 2000, Miller produced and directed A Most Significant Journey,[3] one of the first high definition traveling showcases presented in major cities across America.

The movie stars Harry Connick, Jr., Connie Britton, Willie Nelson, Kris Kristofferson and Lyle Lovett.

[7] The movie stars Melissa Gilbert, Corbin Bernsen and Oscar and Emmy-winner Cloris Leachman,[8] among others.