Dermot Mulroney (born October 31, 1963) is an American actor, musician, and voice actor. 405.4k Followers, 1,555 Following, 2,323 Posts - See Instagram photos and videos from Jess Mulroney (@jessicamulroney) He is best known for his roles in romantic comedy, western, and drama films. Here's an Instagram photo that will make you want to belt out "I Say A Little Prayer." #memories” dermotmulroneyoff • Follow 3,281 likes dermotmulroneyoff Who? 24.1k Followers, 1,036 Following, 47 Posts - See Instagram photos and videos from Dermot Mulroney (@dermotmulroneyoff) 3,281 Likes, 108 Comments - Dermot Mulroney (@dermotmulroneyoff) on Instagram: “Who? Appearing on screen since the mid-1980s, he is known for his work in films such as Young Guns (1988), Staying Together (1989), Where the Day Takes You (1992), Point of No …