This is not in any way a complete list, but it's a good start. Most of these portrayals have been on film, several on stage.
Ian Holm-British
Ewen Solon-NZ
James Spader
David Warner-British
Armand Assanti-Fr.
Michael Gothard
Peter O'Toole
Jack Palance-American
Michael Wilding
Hugh Jackman-Austrialia
Boris Karoff
Klaus Kinski
Sterling Hayden
Ivan Novello
I gave nationalities when available
No.
No, Robert Downey Jr. did not play Jack the Ripper in a movie. However, he portrayed Sherlock Holmes in the film "Sherlock Holmes" (2009) and its sequel, where the character of Jack the Ripper appears as part of the storyline. The role of Jack the Ripper has been played by other actors in various adaptations, but not by Downey.
Nobody knows who Jack the Ripper was.
The cast of John Stanley Meets Jack the Ripper and 25 Other Deadly Encounters - 2011 includes: John Stanley as himself Carlos Tabarez as Jack the Ripper
jack the ripper made his crimes in whitechapel London
toon into casebook jack the ripper and you will get a lot of information.
He's not. Jack The Ripper was never identified.
No one was never apprehended as the Jack the ripper.
Most of the Ripper's murders were found in one small geographical area, about 1 square mile, in London's poverty-stricken east end. But there were other murders outside that area around the time of Jack The Ripper's killings that have not been ruled in or out as Ripper murders.
Jack the ripper is dead his identity remains unknown to this day.
Jack the ripper according to records he existed
Jack The Ripper was never identified or caught.