John Glen: John Glen. Actor: The Quatermass Experiment. John Glen is known for The Quatermass Experiment (1953), ITV Television Playhouse (1955) and Top Secret (1961).
Known For: The Quatermass Experiment (Dr. Gordon Briscoe), ITV Television Playhouse (Richters), Top Secret (Bossman), There's Always a Better Way: Views on Trial (Prosecuting Counsel)