Who plays leonard on the big bang theory?
Leonard Leakey Hofstadter, Ph.D., is a fictional character in the CBS sitcom "The Big Bang Theory", in which he is portrayed by actor Johnny Galecki. Leonard is an experimental physicist, who shares an apartment with colleague and best friend Dr. Sheldon Cooper (Jim Parsons). For his portrayal, Galecki was nominated for a Primetime Emmy Award and a Golden Globe Award in 2011.
Who plays Leonard on the show Big Bang Theory?
Johnny Galecki
Leonard Hofstadter
No context provided
Who plays Leonard on the Big Bang Theory spin off, Young Sheldon?
Isaac Harger
Leonard Hofstadter
https://en.wikipedia.org/wiki/Leonard%20Hofstadter
Johnny Galecki
https://en.wikipedia.org/wiki/Johnny%20Galecki
Galecki played Leonard Hofstadter in the CBS sitcom The Big Bang Theory.
Johnny Galecki
Leonard makes a brief non-speaking cameo as a child in the Season 2 finale of Young Sheldon; he was portrayed by Isaac Harger as a child.


List of The Big Bang Theory and Young Sheldon characters
Johnny Galecki played Leonard Hofstadter in the CBS sitcom The Big Bang Theory. Leonard makes a brief non-speaking cameo as a child in the Season 2 finale of Young Sheldon; he was portrayed by Isaac Harger as a child.