- Mar 3 Alice Pearce, American Emmy Award-winning comedienne and actress (On the Town; Bewitched - "Mrs. Kravitz" (the 1st one)), dies from ovarian cancer at 48
- Mar 3 William Frawley, American vaudeville, silent and sound screen actor (I Love Lucy - "Fred"; My Three Sons - "Bub"; Miracle on 34th Street), dies of a heart attack at 79
- Mar 12 Estelita Rodriguez, Cuban actress (Rio Bravo, Cuban Fireball, Havana Rose), dies of influenza at 37
- Mar 23 Johannes W Elsensohn, Dutch actor/writer (Arie), dies at 82
- Mar 24 Lola Beltrán, Mexican ranchera singer ("Priscila elque se fue"; "Paloma Negra") and actress (El revólver sangriento), dies of a pulmonary embolism at 64
- Mar 25 Colin Campbell, Scottish actor (High Bright Sun, Leather Boys), dies at 83
- Mar 30 Erwin Piscator, German theater and film director (Nathan the Wise; Revolt of the Fishermen), dies at 72
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