Ace the Wonder Dog was a German Shepherd that appeared in 16 films in the 1930s and 1940s.
He is considered by many critics an attempt by RKO Pictures to cash in on the success of Warner Bros.' canine sensation, Rin Tin Tin.
Ace made his film debut in 1938 in Blind Alibi.
In 1943, he played Devil, the Phantom's sidekick in The Phantom films serial.
In 1948, he appeared as Rusty in The Adventures of Rusty, the first of Columbia's eight "Rusty" films. He did not reprise the role in the subsequent seven films.
He also appeared in Orphans of the Street (1938), Home on the Range (1938),
Almost a Gentleman (1939), The Rookie Cop, (1939) , Girl from God's Country (1940)
The Girl from Alaska (1942), War Dogs (1942), Silent Witness (1943), Headin' for God's Country (1943), The Monster Maker (1944), Danny Boy (1946) and
God's Country (1946).
During his career in Hollywood, Ace worked for Columbia, Republic, Monogram and PRC.
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