Celebrity·Posted on Mar 4, 201471 Famous People Who Were Total Frat Boys At One Time In Their LivesWho knew?by Emily HennenBuzzFeed StaffLinkFacebookPinterestTwitterMail 1. Paul Rudd 2. Warren Beatty 3. Stephen Spielberg 4. Zach Braff 5. Ty Burrell 6. Harrison Ford 7. James Marsden 8. Jim Caviezel 9. Bill Cosby 10. Kevin Costner 11. Joel McHale 12. Jeremy Piven 13. Bob Barker 14. Matthew McConaughey 15. Benjamin Bratt 16. Burt Reynolds 17. Eli Manning 18. Woody Harrelson 19. Alan Thicke 20. Jerry Springer 21. Michael Jordan 22. David Letterman 23. George W. Bush 24. Ashton Kutcher 25. Jon Hamm 26. Tony Hale 27. Tim McGraw 28. Will Forte 29. David Schwimmer 30. Keenan Ivory Wayans 31. John Goodman 32. Robert Redford 33. Jim Parsons 34. Matthew Fox 35. Brad Pitt 36. Gabriel Macht 37. Shaquille O'Neal 38. Larry David 39. Ben Savage 40. Jim Gaffigan 41. David Duchovny 42. Eric Stonestreet 43. Adam Sandler 44. Patten Oswalt 45. Billy Crudup 46. Nick Lachey 47. Jimmy Buffett 48. Pete Yorn 49. Tom Selleck 50. David Spade 51. Dermot Mulroney 52. Josh Kelley 53. Paul McDonald 54. Andy Richter 55. Jon Stewart 56. Rip Torn 57. Dierks Bentley 58. Drew Carrey 59. Luke Bryan 60. Seth Meyers 61. Jason Lewis 62. Troy Aikman 63. Dennis Haskins 64. Steve Harvey 65. Cheech Marin 66. Will Ferrell 67. Fred Savage 68. Kevin James 69. Chris Klein 70. Greg Kinnear 71. Willie Nelson