Brian Dietzen is a really private celebrity. Even though he stars on one of primetime’s biggest shows, NCIS, he keeps such a low profile in Hollywood that very few people know much about him. Even when he gives interviews, he still doesn’t divulge much! We’ve managed to collect 7 fun facts about the actor that aren’t widely known, so check out it:
7. Promoted to Regular Cast Member
When Dietzen first appeared during season one of NCIS as Dr. Jimmy Palmer, he was only supposed to appear in one episode; however, producers liked the way he portrayed the character and how he interacted with his co-star David McCallum, who plays medical examiner Dr. Donald “Duck”” Mallard on the series, so they kept bringing him back for more episodes until they made him a series regular in 2012 when the show was going into its tenth season.