Jon Glover
From Tardis Wiki, the free Doctor Who reference
Jon Glover portrayed Creodont and Dr. Verryman in AUDIO: Forty-Five. He also voiced both the Red and Yellow Robots in TV: The Empty Planet and Grant in AUDIO: Slipback.
Glover's other television work includes roles in Red Dwarf: Back to Earth and the TV version of The Hitchhiker's Guide to the Galaxy.