James William Wallack, commonly referred to as J. W. Wallack, was an Anglo-American actor and manager, born in London, and brother of Henry John Wallack.

Presumption; or, the Fate of Frankenstein is an 1823 play in three acts by Richard Brinsley Peake based on the 1818 novel Frankenstein; or, The Modern Prometheus by Mary Shelley. It is the first recorded theatrical adaptation of the novel and had 37 performances during its original run. It was revived at the English Opera House until at least 1850.