Early in his career, he made numerous TV commercials, short films, and experimental theater pieces.
He appeared in William Shakespeare's As You Like It, Forever After, A Loss Of Memory, Provicante di Saliva, The Bald Soprano, and Make Mine Kafka!.
Block has worked with film directors Arthur Hiller, Peter Medak, Lee Katzin, Alvin Rakoff, and Phillip Noyce.
Block played the roles of U.S. President Howard Lewis in the film Salt, Sebastian Weinberg in My Best Day, Walter Hill in Only I...,[1] the U.S. Olympian Robert Garrett (1875–1961), a young scion of a wealthy Baltimore railroad and financier family in the TV miniseries The First Olympics: Athens 1896.
He has voiced multiple commercial and digital campaigns, performed with the Indonesian poetry forum Yang Mengatakan, in Balinese Shadow plays, and in the Norwegian Arctic Rights Group Vakne Opp's production of Ballong.