Can you name the actors/actresses that starred in the following classic movies?

No fair googling! :nono:

1.Frankenstein 1931
2. Scarface 1932
3. Robin Hood 1938
4. The Hunchback of Notre Dame 1939
5. Gone with the Wind 1939
6. Casablanca 1942
7. Hamlet 1948
8. A Streetcar Named Desire 1951
9. Adam's Rib 1949
10. Gentlemen Prefer Blondes 1953
11. Citizen Kane 1941
12. Cool Hand Luke 1967
13. The French Connection 1971
14 The Grapes of Wrath 1940
15. It's a Mad Mad Mad World 1963
16. Lawrence of Arabia 1962
17. The Nutty Professor 1963
18. West Side Story 1961
19. The Wolf Man 1941
20. Wuthering Heights 1939
21. Airplane! 1980
22. American Graffiti 1973
23. Around the World in 80 Days 1956
24. Dr. Strangelove 1964
25. Flying Tigers 1942
26. The Great Escape 1963
27. The Incredible Shrinking Man 1957
28. It's a Wonderful Life 1946
29. Little Big Man 1970
30. The Letter 1940

Answers:

1.Boris Karloff & Colin Clive, 2. Paul Muni, 3. Errol Flynn, 4. Charles Laughton, 5. Clark Gable & Vivien Leigh, 6. Humphrey Bogart & Ingrid Bergman, 7. Laurence Olivier, 8. Vivien Leigh, Marlon Brando & Kim Hunter, 9. Spencer Tracy & Katherine Hepburn, 10. Marilyn Monroe & Jane Russell, 11. Orson Wells, 12. Paul Newman, 13. Gene Hackman & Roy Scheider, 14. Henry Fonda, 15. Milton Berle, Buddy Hackett & Ethel Merman, 16. Peter O'Toole, 17. Jerry Lewis, 18. Natalie Wood & Richard Beymer, 19. Lon Chaney Jr., 20. Laurence Olivier, 21. Leslie Nielson, 22. Ron Howard, Richard Dreyfus & Cindy Williams, 23. Shirley MacLaine & David Niven, 24. Sterling Hayden & Peter Sellers, 25. John Wayne, 26. Steve McQueen, 27. Grant Williams, 28. James Stewart, 29. Dustin Hoffman, 30. Bette Davis.