Man's Best Friend is a 1935 feature film about the adventures of a boy and his dog Lightning. The film stars Douglas Haig

Douglas Haig (actor)

Douglas Haig was an American child actor appearing in films in the 1920s and 1930s. His career began at age two in silent films and continued into sound films . From 1928 onward he appeared in at least 14 films. As a small child he was placid and pleasant-looking...

, an American child actor

Child actor

The term child actor or child actress is generally applied to a child acting in motion pictures or television, but also to an adult who began his or her acting career as a child; to avoid confusion, the latter is also called a former child actor...

 of the 1920's and 30's; Lightning, a grandson of Strongheart

Strongheart

Strongheart was the screen name of Etzel von Oeringen , a German Shepherd that became one of the earliest canine film stars. After being trained in Germany as a police dog, he was brought to the United States by husband and wife filmmakers Laurence Trimble and Jane Murfin, who had previously worked...

; Frank Brownlee

Frank Brownlee

Frank Brownlee was an American film actor. He appeared in 114 films between 1911 and 1943.He was born in Dallas, Texas and died in Los Angeles, California.-Selected filmography:* Sold for Marriage...

; and Mary McLaren.

Man's Best Friend was the high point of Douglas Haig's career as a film actor. In 1986, TV Guide

TV Guide

TV Guide is a weekly American magazine with listings of TV shows.In addition to TV listings, the publication features television-related news, celebrity interviews, gossip and film reviews and crossword puzzles...

described the film as a "simple, unpretentious story of a little mountain boy and his pet police dog".

Man's Best Friend has been released on DVD, together with The Secret Code.