(1971) With Brian Clemens, co-wrote the TV spin-off play "The Avengers" - which ran at Birmingham Theatre (15th-24th July) then London's Prince of Wales Theatre for a three-week run from 2nd August - with Simon Oates, Sue Lloyd, Kate O'Mara, Jeremy Lloyd, Anthony Sharp, Julie Neubert, Wendy Hall, John F. Landry, Mary Llewellin, Kenton Moore, Paul McDowell, Lisa Collings, Gail Grainger, Gypsie Kemp, Joanna Ross, Kubi Chaza, Helen Gill, Heather Kydd, Derek Tansley and Tim Buckland in the cast. Leslie Phillips was director.