CDS presented John Godber's Gym and Tonic at the Masque Theatre in February 2003. The show was directed by Heather MacLachlan and the cast was as follows:
The production team was:
- Don Weston - James Skilton
- Shirley Weston - Lynn Moss
- Gertrude Tate - Ruth Allsopp
- Ken Blake - Alastair Duff
- Zoë - Lynda Jennings
- Chloë - Madeleine Ginn
- Shaun - Geoffrey Butler
- Bellboy - Neill Leitch
The production team was:
- Production Secretary - Dawn Gohl
- Stage Manager - Val Stephens
- Set design - Heather MacLachlan & Donald Lamont
- Set building - Walter Hodges, Jill Cooke, Donald Lamont, Frances Brunwin, Neill Leitch, Val Stephens
- Lighting design - Gary Fargher
- Sound design - Heather MacLachlan
- Lighting and sound operators - Kyla Thorburn, Donald Lamont
- Publicity - Ruth Jay
- Poster design - Mike Moss of infoMOTION
- Photography & Programme - Bettina Brown
- Front of House - Society members and friends