Hi, welcome to Decoder Rng Theatre wiki! Thanks for your edit to the Two is Too Many page.
The Usual Players Edit
Hi Jennileerose! The four DRT Leads are Gregg Taylor, Clarissa Der Nederlanden Taylor, Christopher Mott and Andrea Lyons. You'll frequently see Scott Moyle, Steven Burley, Peter Nicol, Gregory Z. Cooke and Peter Higginson in supporting roles.
Thanks for your help with the Wiki - and good luck on your project!