Richard E. Grant- John-Luke Picard ( None of that French stuff, Picard is British)
Tahmoh Penikett-William Riker
Christina Hendricks-Dr Beverly Crusher
Dichen Lackman-Deanna Troi
Katee (Help I'm being type cast) Sackhoff- Tasha Yar
Jason (Help I'm being type cast) Momoa- Worf
Donald Glover-Geordi LaForge
Jim Parsons-Data
Kodi Smit-McPhee-Wesley Crusher