St Helens: Sailor; Feldt, Robertson, Percival, Dagnall; Lomax, Mbye; Walmsley, Clark, Lees, Sironen, Whitley, Knowles.
Interchanges: Paasi, Wingfield, Delaney, Burns.
Castleford: Rooney; Simm, Cini, Senior, Djeukessi; Asi, Atkin; Singleton, Lawler, Amone, Stimson, Mellor, Westermann.
Interchanges: Wood, Griffin, Robb, Hall.
Referee: Aaron Moore.