Patrick Duffy (gebore 17 Maart 1949) is 'n Amerikaanse akteur, regisseur, en vervaardiger. Hy is bekend vir sy rolle in die rolprent You Again (2010) en in die televisiereekse Dallas (1978) en Step by Step (1991). 1984: Vamping 2009: He's Such a Girl 2010: You Again 2016: Hotel Dallas 1977: Man from Atlantis 1978: Dallas 1982: Festa É Festa 1982: exclusiv 1991: Step by Step 1991: One on One with John Tesh 1995: The Clive James Show 2008: Bingo America 2012: Dallas 1976: The Last of Mrs. Lincoln 1980: Enola Gay: The Men, the Mission, the Atomic Bomb 1982: Cry for the Strangers 1986: Captain Eo Grand Opening 1987: Strong Medicine 1987: The Beach Boys: 25 Years Together 1988: Too Good to Be True 1988: Unholy Matrimony 1990: Murder C.O.D. 1991: Daddy 1994: Texas 1994: ABC Sneak Peek with Step by Step 1994: Will You Marry Me? 1995: The Ultimate TV Trivia Challenge 1996: Dallas: J.R. Returns 1996: The Hunchback of Notre Dame Festival of Fun Musical Spectacular 1997: Heart of Fire 1998: Dallas: War of the Ewings 1999: Donot Look Behind You 2000: Cameras Rolling: 20 Days on Set 2002: TVography: Suzanne Somers - Mastering Success 2002: After Dallas 2004: Dallas Reunion: Return to Southfork 2006: Falling in Love with the Girl Next Door 2006: Desolation Canyon 2007: Bring Back...