Ralph William Hemecker (June 12, 1961 – July 10, 2026) was an American film and television director, writer and producer. He directed episodes of the drama series Once Upon a Time and The Flash.
Early life and education Hemecker was born on June 12, 1961. He studied English at Bucknell University and graduated. He also took filmmaking courses at New York University.
Career In 2000, Hemecker founded Mythic Films, a full service feature film, TV and commercial production company.MYTHIC FILMS developing Sean Flynn bio-pic FLYNN. Ralph Hemecker is set to direct. - Free Press Release.com After directing Witchblade, Hemecker served as the showrunner, writer, and producer for the subsequent television series, which aired from 2000 to 2002.
Hemecker directed episodes of Renegade, Dead at 21, Millennium, Numb3rs, V, Blue Bloods, and Nikita. He directed 21 episodes of the ABC fantasy/drama series Once Upon a Time.
In 2014, he joined as a recurring director on The CW superhero series The Flash. He directed the first-season episode, "Tricksters", in which Mark Hamill reprised the role of the titular supervillain. He also directed the second season crossover episode with Arrow, "Legends of Today". In the third season, Hemecker returned to direct the second episode of the season, "Paradox".
Death Hemecker died in Glendale, California on July 10, 2026, at the age of 65.
Filmography Television credits Year Show Season Episode title Episode Credit1991Silk Stalkings1"S.O.B."3Director"Men Seeking Women"61992"The Brotherhood"9"Blo-Dri"10"Powder Burn"202"Good Time Charlie"21993"Irreconcilable Differences"11"Was It Good for You Too?"143"Love Never Dies"719944"Red Flag"71992Renegade1"Renegade"1Director "Final Judgment"3"Payback"81993"Fighting Cage, Part 1"212"Wheel Man"91994"Once Burned, Twice Chey"18"Murderer's Row, Part 1"20"Murderer's Row, Part 2"213"Escape"3"Black Wind"51995"Den of Thieves"121994Dead at 211"Dead at 21"1Director "Brain Salad"2"Shock the Monkey"4"Hotel California"11"In Through the Out Door: Part 1"12"In Through the Out Door: Part 2"131995Vanishing Son1"Runaway Hearts"7Director"Win, Place or Dead"101996Kindred: The Embraced1"Romeo and Juliet"4Director"Cabin in the Woods"81996Millennium1"The Well-Worn Lock"8Director19972"The Curse of Frank Black"619983"Exegesis"21997Roar1Pilot1Director1998The X-Files5Schizogeny9Director2001Witchblade1"Parallax"1Director; Story; Teleplay"Conundrum"2Story"Diplopia"3"Sacrifice"4"Legion"5"Maelstrom"6"Periculum"7"Thanatopis"8"Apprehension"9"Convergence"10Story; Teleplay"Transcendence"1120022"Emergence"1Writer"Destiny"2Teleplay"Parabolic"10Writer"Ubique"122007Numb3rs4"Thirteen"4Director20085"The Decoy Effect"22009"12:01 AM"186"Hydra"5"Con Job"92010"And the Winner Is…"142010Ghost Whisperer5"Dead to Me"14DirectorThe Vampire Diaries2"The Sacrifice"10Director2010Blue Bloods1"Samaritan"2Director"Officer Down"42011"Silver Star"172"Critical Condition"3"A Night on the Town"52012"Collateral Damage"213"Risk and Reward"5"Greener Grass"620134"Drawing Dead"720145"Most Wanted"620177"Love Lost"198"The Forgotten"52018"Your Six"209"Blackout"42019"Ripple Effect"13"Two-Faced"1710"Behind the Smile"3202111"Guardian Angels"1112"True Blue"4"USA Today"72022"Guilt"16"Long Lost"18"Silver Linings"202011V2"Devil in the Blue Dress"9DirectorNikita1"Glass Houses"20Director2012NYC 221"Turf War"6Director"Self Cleaning Oven"122012Once Upon a Time1"7:15 A.M."10Director"Hat Trick"172"Broken"1"Queen of Hearts"92013"The Miller's Daughter"16"Selfless, Brave and True"18"Second Star to the Right"213"The Heart of the Truest Believer"1"Going Home"112014"The Tower"14"A Curious Thing"19"There's No Place Like Home"224"A Tale of Two Sisters"1"The Apprentice"4"Smash the Mirror" (part 2)8(B)"Heroes and Villains"122015"Enter the Dragon"15"Lily"20"Operation Mongoose, Part 2"235"Siege Perilous"3"The Bear and the Bow"62016"Souls of the Departed"126"Heartless"72017"The Final Battle, Part 2"227"Hyperion Heights"1"Pretty in Blue"8"The Eighth Witch"102018"Leaving Storybrooke"222013Once Upon a Time in Wonderland1"Down the Rabbit Hole"1Director"The Serpent"42014The Flash1"The Man in the Yellow Suit"9Director2015"Tricksters"172"The Man Who Saved Central City"1"Legends of Today"820163"Paradox"220184"Subject 19"142016Legends of Tomorrow2"The Chicago Way"8Director2017"Land of the Lost"1320183"Guest Starring John Noble"172017Quantico2"Fallenoracle"12Director
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