Board Thread:Show-Related Questions and Answers/@comment-3440938-20180410013556/@comment-10663213-20180416022651

Once Upon a Time
s01e01 - s01e22: s02e01 - s02e16: s02e17 - s03e11: s03e12 - s03e22: s04e01 - s04e22: s05e01 - s05e11: s05e12 - s05e21: s05e22 - s06e14: s06e11 - s06e22:
 * Main: Regina Mills
 * Secondary: Mr. Gold, King George
 * Main: Cora
 * Secondary: Hook, Regina Mills
 * Main: Peter Pan (unseen through s02e22)
 * Secondary: Hook (s02e17 - s02e22), Felix (s02e21 - s03e11), Tamara (s02e17 - s03e01) and Greg Mendell (s02e17 - s03e01)
 * Main: Zelena
 * Secondary: Mr. Gold
 * Main: Mr. Gold
 * Secondary: Ingrid (s04e01 - s04e10), Zelena (in Marian's form through s04e17), Cruella De Vil (s04e11 - s04e18), Isaac Heller (s04e16 - s04e22), Ursula (s04e11 - s04e15) and Maleficent (s04e11 - s04e19)
 * Main: The Darkness (using Nimue, Emma Swan and Hook)
 * Secondary: King Arthur (s05e01 - s05e10), Mr. Gold, Zelena and Guinevere (s05e02 - s05e10; unwillingly)
 * Main: Hades
 * Secondary: Cruella De Vil, Mr. Gold, Zelena (s05e16 - s05e18), Peter Pan (s05e12 - s05e20) and Blind Witch
 * Main: Evil Queen (s05e23 - s06e14), Jekyll & Hyde (s05e22 - s06e04)
 * Secondary: Mr. Gold, Zelena (s06e02 - s06e10), Robin of Locksley (s06e10 - s06e14) and Gideon (s06e10 - s06e14; unwillingly)
 * Main:  Fiona(unseen through s06e16)
 * Secondary: Gideon (unwillingly), Mr. Gold

s07e01 - TBA
 * Main: Mother Gothel
 * Secondary: Rapunzel Tremaine (s07e01 - s07e11), Drizella (s07e01 - s07e11), Nick Branson (s07e11 - s07e17) and Dr. Facilier (s07e12 - TBA)

Once Upon a Time in Wonderland
s01e01 - s01e13
 * Main: Jafar
 * Secondary: Red Queen (s01e01 - s01e08) and Jabberwocky (s01e09 - s01e13)