Original array

NameTypePrice
Jon Snow Actor 2.5
John Doe Stranger 10
Martin D. Writer 7
Leonardo D. Actor 2.5
Guest Stranger 10

You can get unique values by several columns
[]

UniqueBy

NameTypePrice
Jon Snow Actor 2.5
John Doe Stranger 10
Martin D. Writer 7
Leonardo D. Actor 2.5
Guest Stranger 10