The following Labour/LibDem candidates are standing, where the starred party is incumbent. People can still withdraw their nominations until midday tomorrow, and I haven't checked to see if any of the incumbent LibDems are retiring, but I'm pretty sure that this about right.
Burnage -
Labour: Frank Duffy
LibDem*: Iain Donaldson
Chorlton -
Labour*: Angela Gallagher
LibDem: Paul Ankers
Chorlton Park -
Labour: John Hacking
LibDem*: Tony Bethell
Didsbury East -
Labour: Geoff Bridson
LibDem*: Helen Fisher
Didsbury West -
Labour: David Ellison
LibDem*: Neil Trafford
Old Moat -
Labour*: Jeff Smith
LibDem: Richard Wilson
Withington -
Labour: Andrew Simcock
LibDem*: Alison Firth
I've no idea which Greens, Tories and randoms are standing, but Brian Candeland is probably standing somewhere.