Robert Downey Jr.'s birthday is on Saturday, April 4, 1965. He is 50 years old. He is a multi-award-winning actor, producer and singer. Famous for his acting roles in the Marvel comics 'Iron Man' superhero movies and 'Sherlock Holmes,' he made his first acting debut at age 5. The Richest estimated the actor's net worth to be $190 million.

50 of Robert Downey Jr.'s Best Career Moves:

1. Wins 2010 Golden Globe Award for Best Performance by an Actor in a Motion Picture for 'Sherlock Holmes.'

2. Wins 1993 BAFTA Film Award for Best Actor for role in 'Chaplin.

3. Cast as leading role in 'Iron Man' series in 2007.

4. Opens Team Downey production company with wife in 2010.

5. Marries Susan Levin, executive vice-president of Silver Pictures in 2005.

6. Announces his drug-free sobriety in 2003.

7. Debuts in first acting role in 'Pound' in 1970.

8. Wins 2006 Sundance Film Festival Special Jury Prize for Best Ensemble Cast in 'A Guide to Recognizing Your Saints.'

9. Wins 2003 Chicago International Film Festival Career Achievement Award

10. Forbes estimates his net worth to be $75 million, ranking him number ten on a list of 100 celebrity earnings in 2014.

11. Wins 2013 MTV Movie Award for Best Fight in 'The Avengers.'

12. Wins 2015 People's Choice Award for Favorite Movie Actor in 'The Avengers.'

13. Wins 2014 People's Choice Award for Favorite Action Star.

14. Wins 2014 Kid's Choice Award for Favorite Buttkicker.

15. Wins 2013 People's Choice Award for Favorite Superhero.

16. Wins 2015 People's Choice Award for Favorite Movie Actor.

17. Wins 2001 Golden Globe Award for Best Supporting Actor in a Miniseries in 'Ally McBeal.'

18. Wins 2001 Screen Actors Guild Award for Outstanding Performance by a Male Actor.

19. Moved to New York in 1982 to pursue acting career.

20. Stars in 'Chaplin' in 1992.

21. Stars in 'Gothika' in 2003.

22. Stars in 'Kiss Kiss Bang Bang' in 2005.

23. Stars in 'Good Night, and Good Luck' in 2005.

24. Stars in 'Charlie Bartlett' in 2008.

25. Stars in 'Hail Caesar' in 1994.

26. Stars in 'Short Cuts' in 1993.

27. Stars in 'Hearts and Souls' in 1993.

28. Stars in 'The Pick-Up Artist' in 1987.

29. Stars in "Zodiac' in 2007.

30. Stars in 'Tropic Thunder' in 2008.

31. Stars in 'The Soloist' in 2009.

32. Stars in 'Sherlock Holmes' in 2009.

33. Stars in 'Iron Man 2' in 2010.

34. Stars in 'Due Date' in 2010.

35. Stars in 'Sherlock Holmes: A Game of Shadows' in 2011.

36. Stars in 'The Avengers' in 2012.

37. Stars in 'Iron Man 3' in 2013.

38. Stars in 'The Judge' in 2014.

39. Released from the California Substance Abuse Treatment Facility and State Prison in 2010.

40. Wins 2010 Irish Film and Television Audience Award for Best International Actor in 'Sherlock Homes.'

41. Wins 2009 Irish Film and Television Audience Award for Best International Actor in 'Iron Man.'

42. Wins 2003 Sitges Film Festival Maria Award for Best Actor in 'The Singing Detective.'

43. Wins 2000 Saturn Award for Best Actor in 'Iron Man.'

44. Wins 1994 Saturn Award for Best Actor in 'Hearts and Souls.'

45. Wins 2013 Teen Choice Award for Choice Movie Actor: Action Adventure/Thriller in 'Iron Man 3.'

46. Wins 2009 Central Ohio Film Critics Association Award for Actor of the Year for roles in 'Iron Man' and 'Tropic Thunder.'

47. Gives 'Iron Man' - inspired bionic arm to 7-year-old boy with partially developed right arm.

48. Has a daughter in 2014 with wife.

49. Honored at 25th American Cinematheque Awards in 2011.

50. Turns 50 on April 4, 2015.