Mary Wells[MainArtist], Smokey Robinson[Producer], Smokey Robinson[ComposerLyricist], Mary Wells[AssociatedPerformer], Mary Wells[Vocals], Earl Van Dyke[AssociatedPerformer], Earl Van Dyke[Organ], Johnny Griffith[AssociatedPerformer], Johnny Griffith[Piano], Eddie Willis[AssociatedPerformer], Eddie Willis[Guitar], Robert White[AssociatedPerformer], Robert White[Guitar], James Jamerson[AssociatedPerformer], James Jamerson[Double Bass], Benny Benjamin[AssociatedPerformer], Benny Benjamin[Drums], Dave Hamilton[AssociatedPerformer], Dave Hamilton[Vibraphone], Herbert Williams[AssociatedPerformer], Herbert Williams[Trumpet], Russ Conway[AssociatedPerformer], Russ Conway[Trumpet], Paul Riser[AssociatedPerformer], Paul Riser[Trombone], George Bohanon[AssociatedPerformer], George Bohanon[Trombone]