R
- Anne Ramsay
- Thalmus Rasulala
- Gina Ravera
- Duncan Regehr
- David Renan
- Clive Revill
- Gerardo Reyero (Latin American dub: voice of Geordi La Forge)
- Peter Mark Richman
- Richard Riehle
- Leon Rippy
- Benjamín Rivera (Latin American dub: additional voices)
- Germán Robles (Latin American dub: additional voices)
- Marco Rodríguez
- Daniel Roebuck
- Maurice Roëves
- Clayton Rohner
- Jorge Roig (Latin American dub: additional voices)
- Mark Rolston
- Ned Romero
- Stephen Root
- Cristine Rose
- Saul Rubinek
- Tim Russ
- Mitchell Ryan
Read more about this topic: List Of Star Trek: The Next Generation Cast Members