- Author (The Cup That Cheers)/Adapter (The Split in the Cabinet):
- V. C. Clinton-Baddeley
- Author (The Split in the Cabinet):
- Stephen Leacock
- Production:
- Jan Bussell
- Mother (The Cup That Cheers):
- Frank Birch
- Mildred (The Cup That Cheers):
- Nadine March
- Daphne (The Cup That Cheers):
- Alexis France
- Cuthbert (The Cup That Cheers):
- Don Gemmell
- Dad (The Cup That Cheers):
- Douglas Stewart
- Mrs. Whiffle (The Cup That Cheers):
- Harvey Braban
- Sir John Elphinspoon (The Split in the Cabinet):
- Neil Porter
- Perriton Powers (The Split in the Cabinet):
- Charles Heslop
- Sir Francis Hake (The Split in the Cabinet):
- Frank Birch
- The Hon. Charles Shark (The Split in the Cabinet):
- Don Gemmell
- Lord Edward Hallibut (The Split in the Cabinet):
- Harvey Braban
- Sir Charles Trout (The Split in the Cabinet):
- Douglas Stewart
- Mr Edgar Whiting (The Split in the Cabinet):
- Wilfred Fletcher
- Lady Elphinspoon (The Split in the Cabinet):
- Margaret Yarde
- Angela (The Split in the Cabinet):
- Nadine March
