He took a voice over class taught by
Bob Bergen. In 2017, he voiced
Willy Wonka in the
Tom and Jerry direct-to-video animated film
Tom and Jerry: Willy Wonka and the Chocolate Factory. Starting from 2018, Karliak voiced the Boss Baby in
The Boss Baby: Back in Business, a
Netflix television series based on
Marla Frazee's book
The Boss Baby and
Tom McGrath's 2017
animated film of the same name. He then proceeded to reprise his role in the sequel series
The Boss Baby: Back in the Crib, which had aired on May 19, 2022. In the 2020 video game ''
Crash Bandicoot 4: It's About Time'', he provided the voice of
Doctor Nefarious Tropy. In 2021, he provided the English voice of S566 in the
Netflix animated television series
Eden, and provided the voice of
Green Goblin in the
Disney Junior animated television series
Spidey and His Amazing Friends. In February 2023, Karliak guest voiced Babwa Venomor, a
Trandoshan mercenary leader, who works for the Empire, in
Star Wars: The Bad Batch. ==Personal life==