in 2010 In 2011, Rosenthal was cast as Johnny Goodman in the
Channel 4 sitcom
Friday Night Dinner, alongside
Simon Bird,
Tamsin Greig,
Paul Ritter, and
Mark Heap. The sitcom focused on the weekly
Shabbat dinner in the middle-class
secular Jewish Goodman family in
North London. Rosenthal played the younger son and he and Greig are the only two main cast members who have Jewish roots in real life. The sixth and final series set the record for the highest audience for any comedy on Channel 4 or
E4 for 16-to-34 year olds with a 49.3% share, and the average audience for the series was 3.9 million viewers. Following the death of Ritter in 2021, it was announced that the show would not continue. To celebrate the 10th anniversary of the start of the show, an anniversary special was aired in May 2021. In 2013, he was cast as Marcus in the ITV sitcom
Plebs. The sitcom is a comedy set in
Ancient Rome, following the main characters of Marcus, Stylax, and Grumio. In 2020, it was announced that a sixth series would not be commissioned and instead a feature-length special would be released. In 2014, he created and starred in a comedy pilot for
BBC iPlayer with
Naz Osmanoglu, entitled
Flat TV, which was later commissioned into a mini-series. In 2015, he played a brief role as Gary Thorp in the ITV drama series
Broadchurch. In 2019, he played
Private Pike in ''
Dad's Army: The Lost Episodes, a recreation of three missing episodes of the BBC sitcom Dad's Army. That same year, his third stand-up show Manhood'' received critical acclaim at the
Edinburgh Fringe Festival. ==Personal life==