Eberl began his filmmaking career in 1997 after his first film acting job at the age of 10, making documentaries for the local TV station winning a variety of awards.
He then wrote and directed Incest which won the Audience Choice Award at the international First Look Student Film Festival, and stars Erick Avari, Hallee Hirsh, and John Patrick Amedori.
The film is described as being a period piece taking place in 2009 that revolves around the lives of a group of young adults struggling with the consequences of a rapidly changing world during the turn of the decade.
On June 25, 2021, We Won't Forget, the short film directed by Lucas Elliot Eberl and Edgar Morais, had its world premiere in competition at the Academy Awards qualifying Palm Springs International ShortFest.
Edgar Morais also stars in the film alongside John Patrick Amedori, Paul James, Davida Williams and Caitlyn Folley, among others.
Eberl's long list of film acting credits include a lead role in Tim Burton's Planet of the Apes, with Mark Wahlberg, Tim Roth, Helena Bonham Carter; Phantoms, with Ben Affleck and Peter O'Toole; and Lost In the Pershing Point Hotel, with John Ritter; A Painted House based on John Grisham's novel, with Logan Lerman, Scott Glenn, Robert Sean Leonard, and Melinda Dillon, directed by Alfonso Arau; and in Clint Eastwood's Letters from Iwo Jima with Ken Watanabe; Larry Clark's Marfa Girl 2; Miguel Nunes' You See the Moon, Final Recourse with Chaz Palminteri and Teri Polo, the cult teen comedy Getting that Girl, and Marcela Jacobina's Nobody with Carloto Cotta.
Luke Eberl portrayed the poet, playwright, novelist and critic Algernon Charles Swinburne in 2024's The Worst Man In London directed by Rodrigo Areias and produced by Paulo Branco which screened as an official selection in the Big Screen Competition at 2024 International Film Festival Rotterdam with a cast that also includes Albano Jerónimo, Edgar Morais, Edward Ashley, Simon Paisley Day, Scott Coffey and Carmen Chaplin.
Eberl lived for one year in Canada's arctic where he worked with schoolchildren in the town of Inuvik, Northwest Territories teaching piano and film.