Public Domain Movies

Bugs Bunny declares war on a magician.
Credits

According to http://www.imdb.com/title/tt0034585/fullcredits?ref_=tt_ov_st_sm :

Directed by
Chuck Jones ... (as Charles M. Jones)
Writing Credits
Tedd Pierce ... (story) (as Ted Pierce)
Cast
Mel Blanc ...
Bugs Bunny / Ala Bahma (voice) (uncredited)

Produced by
Leon Schlesinger ... producer
Music by
Carl W. Stalling ... (uncredited)
Film Editing by
Treg Brown ... (uncredited)
Sound Department
Treg Brown ... sound effects editor (uncredited)
Animation Department
Ken Harris ... animator
Robert Cannon ... animator (uncredited)
Gene Fleury ... background artist (uncredited)
Rudy Larriva ... animator (uncredited)
John McGrew ... layout artist (uncredited)
Ben Washam ... animator (uncredited)
Music Department
Carl W. Stalling ... musical director
Milt Franklyn ... orchestrator (uncredited)
Crew verified as complete