His theatre credits include Macbeth, The Winter's Tale, Arsenic and Old Lace, The Cherry Orchard, Long Day's Journey into Night, The Glass Menagerie, The Devil's Advocate, Waiting for Godot and Under Milk Wood.
These numbers did not sway CBS, especially since the show did not fare well against whatever was playing on the other two networks that night, and it declined to purchase any future episodes.
Clarke also appeared in the movie Les Patterson Saves The World in 1987 and portrayed Laurence Olivier in Blonde.
He has also had roles in SeaChange, Halifax f.p., and Always Greener In late 2005 he completed a four-month stint on soap opera Neighbours, playing Alex Kinski.
He was romantically involved with Victoria Tennant, an actress and former wife of actor Steve Martin in the mid nineties.