Actor:
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1. By the Sad Sea Waves (1917), film...The Beachhound
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2. Bashful (1917), film...Harold
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3. Lonesome Luke, Messenger (1917), film...Lonesome Luke
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4. The Big Idea (1917), film...Harold
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5. The Non-Stop Kid (1918), film...Harold
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6. A Gasoline Wedding (1918), film...Harold
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7. Take a Chance (1918), film...The Sport
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8. Look Pleasant, Please (1918), film...Harold - The Boy
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9. Imaju li varalice čast? (1918), film...Harold
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10. Gussie dva pištolja (1918), film...Two-Gun Gussie
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11. Gradski kicoš (1918), film...Harold
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12. Harold, učitelj plesa (1918), film
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13. Just Neighbors (1919), film...The Boy
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14. From Hand to Mouth (1919), film...The Boy
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15. Captain Kidd's Kids (1919), film...The Boy
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16. Bumping Into Broadway (1919), film...The Boy
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17. Ask Father (1919), film...Harold - The Boy
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18. A Sammy in Siberia (1919), film...Sammy - the American Boy
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19. Young Mr. Jazz (1919), film...Harold
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20. The Marathon (1919), film...Harold
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21. Spring Fever (1919), film...The Boy
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22. Next Aisle Over (1919), film...The Hustler
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23. Spustite zastor (1919), film...The Stage Hand
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24. His Royal Slyness (1920), film...The American Boy
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25. An Eastern Westerner (1920), film...The Boy
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26. High and Dizzy (1920), film...The Boy
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27. Get Out and Get Under (1920), film...The Boy
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28. Haunted Spooks (1920), film...Harold - The Boy
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29. Number, Please? (1920), film...The Boy
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30. Never Weaken (1921), film...The Boy
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31. Now or Never (1921), film...The Boy
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32. Among Those Present (1921), film...The Boy
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33. A Sailor-Made Man (1921), film...The Boy
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34. I Do (1921), film...The Boy
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35. Bakin dečko (1922), film...Grandma's Boy
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36. Dr. Jack (1922), film
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37. Safety Last! (1923), film...Harold - The Boy
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38. Why Worry? (1923), film
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39. Hubby (1924), film...Harold
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40. The Freshman (1925), film
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41. For Heaven's Sake (1926), film
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42. The Kid Brother (1927), film
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43. Speedy (1928), film
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44. The Milky Way (1936), film...Burleigh 'Tiger' Sullivan
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45. Mad Wednesday (1947), film...Harold Diddlebock
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46. The Slappiest Days of Our Lives (1951), film...(archive footage)
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...Self (archive footage)
Director:
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1. Just Neighbors (1919), film...(uncredited)
Writer:
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1. From Hand to Mouth (1919), film...(uncredited)
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2. Bumping Into Broadway (1919), film...(uncredited)
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3. Safety Last! (1923), film...(uncredited)
Producer:
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1. Hubby (1924), film...(uncredited)