Possible Clues:

• Fontanne's partner
• Fontanne's stage partner
• Fontanne's theater partner
• Broadway's ___-Fontanne Theater
• Broadway theatre dedicatee Alfred
• Fontanne's dramatic partner
• Stage actor Alfred
• 1955 Tony winner for 'Quadrille'
• Actor on a 1999 US postage stamp
• 1955 Tony winner in Noel Coward's "Quadrille"