A passenger on a northbound Jubilee line service was subjected to the antisemitic language as the tube approached Baker Street at 8pm on December 18.
As he got off the train at Baker Street station, he was then assaulted.
READ MORE: Person dies after being hit by train – services into London affected
Officers believe the man pictured has information that could help with their investigation.
Anyone who recognises him are asked to contact BTP by texting 61016 or by calling 0800 40 50 40, quoting reference 638 of 18 December.
Alternatively, you can contact Crimestoppers anonymously on 0800 555 111.
