On the Vancouver set of The CW's "Riverdale," Luke Perry tells AccessHollywood.com about why Fred Andrews is such a good dad to his son, Archie Andrews. Then, Luke and KJ Apa discuss the return (debut on the show) of Mary Andrews, played by Molly Ringwald, in the 10th episode of the series. (Production assistance provided by Warner Bros. Television) » SUBSCRIBE: bit.ly/AHSub » Visit Our Website: www.AccessHollywood.com/ Get More Access Hollywood: Facebook: www.facebook.com/AccessHollywood Twitter: twitter.com/accesshollywood Instagram: instagram.com/accesshollywood Snapchat: OfficialAccess About Access Hollywood: "Access Hollywood" is a nationally syndicated daily entertainment news show. "Access Hollywood" delivers the most comprehensive coverage of entertainment news and personalities on television, featuring in-depth celebrity interviews and behind-the-scenes accounts of the most important events in Hollywood. Luke Perry & KJ Apa On Mary Andrews' Return To 'Riverdale' | Access Hollywood youtu.be/IUgX_vzl5mI Access Hollywood www.youtube.com/user/AccessHollywood