Al Alleborn was a Studio executive and 2nd unit director in Hollywood film production.

Alleborn came to Hollywood initially as a stuntman

Stunt double

A stunt double is a type of body double, specifically a skilled replacement used for dangerous film or video sequences, in movies and television , and for other sophisticated stunts...

. His first film was also one of the first Oscar nominees, 1928's The Patent Leather Kid

The Patent Leather Kid

The Patent Leather Kid is a 1927 silent film which tells the story of a boxer who scoffs at fighting outside the ring... particularly for the United States once it enters World War I. Eventually, he is drafted, is shipped overseas, and performs a heroic act, which results in his being severely...

. He received an Academy Award nomination in the short-lived category of Best Assistant Director in 1933. He was an uncredited unit manager on Max Reinhardt

Max Reinhardt

----Max Reinhardt was an Austrian theater and film director and actor.-Biography:...

's 1935 version of A Midsummer Night's Dream

A Midsummer Night's Dream (1935 film)

A Midsummer Night's Dream is a 1935 film directed by Max Reinhardt and William Dieterle, produced by Henry Blanke and Hal Wallis, and adapted by Charles Kenyon and Mary C. McCall Jr...

, and headed up the unit production of The Adventures of Robin Hood

The Adventures of Robin Hood (film)

The Adventures of Robin Hood is a 1938 American swashbuckler film directed by Michael Curtiz and William Keighley. Filmed in Technicolor, the picture stars Errol Flynn, Olivia de Havilland, Basil Rathbone, and Claude Rains.-Plot:...

three years later. Most of his career was based at Warner Brothers where he worked on such classics as Four Daughters

Four Daughters

Four Daughters is a 1938 musical drama film that tells the story of a happy musical family whose lives and loves are disrupted by the arrival of a cynical young composer who interjects himself into the daughters' romantic lives...

(1938), High Sierra (1941) and Casablanca

Casablanca (film)

Casablanca is a 1942 American romantic drama film directed by Michael Curtiz, starring Humphrey Bogart, Ingrid Bergman and Paul Henreid, and featuring Claude Rains, Conrad Veidt, Sydney Greenstreet, Peter Lorre and Dooley Wilson. Set during World War II, it focuses on a man torn between, in...

(1943).