It didn't take long for Mark Harmon to share his opinion about Austin Stowell‘s performance as Leroy Gibbs in CBS' NCIS: Origins. "He gave it to me right away in the room," Stowell, 39, quipped during an exclusive interview with Us Weekly.

Austin Stowell is well-aware that he has big shoes to fill as he takes on the role of young Leroy Jethro Gibbs on NCIS: Origins. The new NCIS spin-off follows the detective in his early days of crime-solving,

Origins has created space for meaningful — and necessary — discussions about mental health as someone who weathered a personal loss while filming the hit CBS series. Stowell, 39, opened up to Us Weekly about channeling his own grief while playing Leroy Gibbs in the prequel,