This drug dependence (and his gradually worsening alcoholism) was becoming apparent to producers, and after 1948's Abbott and Costello Meet Frankenstein, the offers dwindled to parts in low-budget films; some of these were directed by Ed Wood, including a brief (posthumous) appearance in Wood's Plan 9 from Outer Space (1957).
Producers noticed the actor's drug dependence and worsening alcoholism after "Abbott and Costello Meet Frankenstein" in 1948.  His roles became increasingly limited to small parts in low-budget films, some of which were directed by Ed Wood, including a posthumous appearance in "Plan 9 from Outer Space" (1957).