Humphrey was a successful American actor who started his acting career in 1921 with Broadway shows and theatre. He made his film debut as an actor in ‘Up the River’ (1930).
He first got recognized with the film ‘The Petrified Forest’ (1936). His starring roles in ‘High Sierra’ (1941), ‘The Maltese Falcon’ (1941), and ‘Across the Pacific’ (1942) established him as an actor in demand, and gave his career a new and stable high.
He won an ‘Oscar’ for ‘African Queen’ (1951), and received ‘Oscar’ nominations for ‘Casablanca’ (1943) and ‘The Caine Mutiny’ (1954).Â
His list of successful movies is wide. A few of them are ‘Angels with Dirty Faces’ (1938), ‘The Big Sleep’ (1944), ‘Dark Passage’ (1947), ‘The Treasure of the Sierra Madre’ (1948), ‘In a Lonely Place’ (1950), ‘Sabrina’ (1954), ‘We’re No Angels’ (1955)  etc.
His not so successful movies are ‘Broadway’s Like That’ (1930), ‘A Devil with Women’ (1930), ‘Swing Your Lady’ (1938), ‘The Oklahoma Kid’ (1939), ‘The Return of Doctor X’ (1939), Action in the North Atlantic’ (1943) etc.
His top grossing movie is ‘Casablanca’. His final role came in the movie ‘The Harder they Fall’ in 1956. He died in 1957.Â