Autres travaux

(1973) Stage: Appeared (Broadway debut) in "Irene" on Broadway. Also in cast: Debbie Reynolds. Show ran for 200 performances. NOTE: Markham won a Theatre World Award for his performance.

Same Time, Next Year(1975). Comedy.

(1961) He played Hotspur in William Shakespeare's play, "Henry IV Part One," at the Oregon Shakespeare Festival in Ashland, Oregon with Angus Bowmer (Falstaff); Ed Brubaker (Bardolph); Eugene Peyroux (Hal); Rod Alexander (The King) and Nagle Jackson (Westmoreland) in the cast. Angus Bowmer was also producing director. Richard Risso was director.