Larry appeared in They All Laughed as a member of Colleen Camp's backup band.

Larry played various instruments on the music score for Nadine.

Larry played acoustic guitar, fiddle, dobro and pedal steel on the score for The Feud. Brian Eddolls composed the score.

Larry played guitar and pedal steel guitar on the soundtrack for The Tune.

Larry played guitar, dobro, banjo and fiddle on the soundtrack for Wagons East. The original score was written by Michael Small. .

Larry played violin on the soundtrack for Primary Colors. The original score was written by Ry Cooder.

Larry played with Bob Dylan (and Joan Osbourne) on the song "Chimes Of Freedom" on the soundtrack for the tv movie The 60s.

Larry played electric guitar with Bob Dylan on the song "Things Have Changed" on the soundtrack for The Wonder Boys.

Larry played pedal steel guitar with Lyle Lovett on the song "What'd I Say" on the soundtrack for Where The Heart Is.

Larry played with Bob Dylan on the song "Tweedle Dee and Tweedle Dum" on the soundtrack for Bandits.

Larry played guitar, fiddle and lap steel with Bob Dylan on the song "Waiting For You" on the soundtrack for Divine Secrets of the Ya-Ya Sisterhood.

Larry played guitar and violin with Bob Dylan on the song "Cross The Green Mountain" on the soundtrack for Gods and Generals.

Larry played guitar with Bob Dylan on 4 songs on the soundtrack for Masked and Anonymous. He also appeared in the movie as a bandmember. In addition, he played on (and produced) "City of Gold" performed by the Dixie Hummingbirds on this album.

Larry, Tony Garnier, George Recile and Mickey Rafael recorded "He Was A Friend Of Mine" with Willie Nelson for the movie Brokeback Mountain on December 6th, 2004. Larry produced the song (Gustavo Santaolalla produced the soundtrack) and played guitar, dobro and mandolin.

Larry played fiddle on "Something Inside", a song on the soundtrack to August Rush .

Larry performed on the music score for Idiots and Angels, an animated film by Bill Plympton. Other performers included Tom Waits, Pink Martini, and Hank Bones. Larry played pedal steel and some acoustic rhythm guitar on two sequences in the movie where the hero in the movie goes to a bar and drinks. It premiered at the Tribeca Film Festival in April, 2008.

Larry played on the original score to Taking Woodstock, composed by Danny Elfman.

Larry and Teresa Williams appeared in the film, Ain't In It For My Health , a documentary about Levon Helm. The film was released to theaters and became available October 2, 2013, on DVD format. Larry is credited with scoring the film. On April 13, 2013, the film premier was shown at Levon Helm studios followed by a 45-minute performance including Larry and Teresa.

Larry wrote the score to Hick, starring Blake Lively & Chloe Moretz. Directed by Derick Martini, Hick is a movie about a Nebraska teen that gets more than she bargained for when she sets out for the bright lights of Las Vegas. The film was featured at the Toronto International Film Festival in September, 2011.

Larry played mandolin on various songs on the soundtrack for The Greatest Showman.

Larry had a commentary segment in the documentary Once Were Brothers, a portrait of the rock group The Band.

Larry and Teresa Williams appeared in the 10 part documentary series, It Was The Music, that chronicled their lives. It was directed by filmmaker Mark Moskowitz. An album soundtrack was also released and produced by Mark McKenna.