- Mar 4 Nicholas Schenck, Russian-born film empresario (b. 1881)
- Mar 9 Richard Crane, American character actor (Surfside 6, Rocky Jones, Space Ranger), dies of a heart attack at 50
- Mar 13 Felix Locher, Swiss insurance salesman, mapping system inventor, and late in life actor (Frankenstein's Daughter), dies at 86
- Mar 15 Miles Malleson, British stage and screen actor, and writer (Kind Hearts and Coronets; Postman's Knock), dies at 80
- Mar 18 Barbara Bates, American actress (All About Eve, It's a Great Life), commits suicide at 43
- Mar 22 Ernst Deutsch [Dorian], Jewish-Austrian actor (3rd Man, Golem), dies at 78
- Mar 25 Alan Mowbray, British actor (Dante, Colonel Flack), dies at 72
Actors
Actresses
Comedians
Directors
Models
TV Stars