. . "David Appelbaum"@en . "David Appelbaum is an American actor who plays Clerk and Morgue Assistant on Castle."@en . "Clerk"@en . . . . . . . . "David Appelbaum is a writer on the T.V. show The Mentalist since its second season. He has been a co-producer for the show as of Season 6. He left the series before the beginning of Season 7 to join NCIS: New Orleans as a writer/producer."@en . "Hollywood, Florida, USA"@en . . . . . . . . "1981-03-20"^^ . "David Appelbaum is a writer on the T.V. show The Mentalist since its second season. He has been a co-producer for the show as of Season 6. He left the series before the beginning of Season 7 to join NCIS: New Orleans as a writer/producer."@en . . . . . "Morgue Assistant"@en . "David Appelbaum is an American actor who plays Clerk and Morgue Assistant on Castle."@en .