Lukas's career was launched in 1984, when, at the age of seven, he landed the titled role of Samuel opposite Harrison Ford in the Peter Weir film, WITNESS. Other work quickly followed. including an Emmy nomination for his portrayal of AIDS victim, Ryan White, in the controversial TV movie, THE RYAN WHITE STORY. He continued with roles opposite Jessica Lang in THE MUSIC BOX for director Costa Gavras, Robert Duvall (who Lukas first starred opposite one year earlier in CONVICTS) and Laura Dern in RAMBLING ROSE and John C. Reilly and Winona Ryder in BOYS.
Other work includes among others Woody Allen for EVERYONE SAYS I LOVE YOU, Tim Burton for MARS ATTACKS, Alan Rudolph for THE BREAKFAST OF CHAMPIONS, Chris Nolan for INCEPTION, Catherine Hardwicke in RED RIDING HOOD, CONTRABAND, JOBS, which premiered at the 2013 Sundance Film Festival, BRICK, which screened in competition at the 2005 Sundance Film Festival, and THE LAST DAYS directed by Gus Van Sant, which premiered at the Cannes Film Festival.
On Stage, in 1988, Lukas performed alongside Steve Martin and Robin Williams in Samuel Beckett’s WAITING FOR GODOT at Lincoln Center in New York City for director Mike Nichols.