Smith comes into the side to replace Phil Graham, who is out for 6 weeks after injuring his ankle last weekend against the Wests Tigers.
The Raiders will be at almost full strength this Saturday, with Joel Monaghan and Ruben Wiki both making their returns to the playing field.
The Cowboys sprung an upset over the Raiders in round 23 last season, their first ever win in Canberra, and the Raiders will be keen to erase the memory of that match and continue their surge towards the top four.
Telstra Premiership Round 18
Coach: Matthew Elliott
1 Clinton Schifcofske 2 Nathan Smith 3 Adam Mogg 4 Joel Monaghan 5 Michael Robertson 6 Matthew Gafa 7 Mark McLinden 13 Jason Croker 12 Ian Hindmarsh 11 Ruben Wiki 10 Luke Davico 9 Simon Woolford (c) 8 Ryan O�Hara
14 Troy Thompson 15 Jason Bulgarelli 16 Michael Hodgson 17 Terry Martin 18 Alan Rothery 19 Todd Carney