I'm W. Shakespeare.

1 seconds sound clip from the The Lost Weekend (1945) movie soundboard.

You can hear this line at 00:17:38.377 in the Blu-ray version of the movie.

Quote context

[...]

- I'm Michelangelo molding the beard of Moses.

- I'm Van Gogh, painting pure sunlight.

- I'm Horowitz, playing the Emperor Concerto.

- I'm John Barrymore before the movies got him by the throat.

- I'm Jesse James and his two brothers, all three of them.

- I'm W. Shakespeare.

- And out there it's not Third Avenue any longer. It's the Nile, Nat, the Nile, and down it moves the barge of Cleopatra.

- Come here. Purple the sails, and so perfumed that the winds were love-sick with them.

- The oars were silver, which to the tune of flutes kept stroke...

- Maybe he's at Morandi's or Nat's bar... or that place on Forty-second street?

[...]