In contrast to Claude Akins' sparse involvement in the superhero idiom (see last post);
Primary MARC ALAIMO has dozens of relevant credits, including the 1990 TOTAL RECALL, but is best known for the role of "Gul Dukat" in STAR TREK: DEEP SPACE NINE.
Primary JESSICA ALBA acted in several relevant roles, not least the first SIN CITY and its sequel, and MACHETE and its sequel MACHETE KILLS.
Peripheral ANNA MARIA ALBERGHETTI acted in CINDERFELLA with--
Peripheral HENRY SILVA of ALLEN QUATERMAIN AND THE LOST CITY OF GOLD.
Primary EDDIE ALBERT voiced the "Old Vulture" in the 1994-96 SPIDER-MAN series, in addition to DREAMSCAPE and other films.