Marsh takes over from Dino Maamria, who was placed on gardening leave back in September. No reason has been given for this but it has been reported that the 34 year old Tunisian is belived to be considering legal action against the Conference side.
Former Coventry City midfielder Gavin Strachan will be out of Notts County's team for six weeks with a hamstring injury.
The father of Coventry City Academy Director Greg Rioch, Bruce has been sacked by Danish side Aab Alborg. Rioch took over in June but defeats against Manchester United and Villareal on Tuesday night mean that qualification is nigh on impossible.