aktör

/aktør/

Cases

SingularPluralWhen to use it
nominativeaktörthe actoraktörlethe actorsthe plain dictionary form — the doer of the sentence
genitiveaktörnüthe actor'saktörlenithe actors'the owner — whose it is
accusativeaktörnüthe actor (as the object)aktörlenithe actors (as the object)a specific, known object — whom or what
dativeaktörgeto the actoraktörlegeto the actorsdirection or recipient — to where, to whom
locativeaktördeat / in the actoraktörledeat / in the actorswhere it is; also having — mende bar, "I have it"
ablativeaktördenfrom the actoraktörledenfrom the actorswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
myaktörümmy actoraktörlerimmy actors
youraktörüngyour actoraktörleringyour actors
his / heraktörühis / her actoraktörlerihis / her actors
ouraktörübüzour actoraktörleribizour actors
you all'saktörügüzyou all's actoraktörlerigizyou all's actors
theiraktörleritheir actoraktörleritheir actors

The overlap in the last rows is real, not a mistake: aktörleri can mean "his / her actors", "their actor", or "their actors" — context decides.