Alda was born in New York to actor Robert Alda and former beauty queen Joan Brown. After college he served in the U.S. Army reserve on a six-month tour in Korea, following the Korean War.
He appeared on different TV shows in the 1950s and '60s, including "The Phil Silvers Show," "Route 66" and "East Side/West Side." He began his 11-season run on "M*A*S*H" in 1972.
Alda has played Sen. Arnold Vinick on "The West Wing" since 2004. He is nominated for Outstanding Supporting Actor in a Drama Series for the second year in a row.
His film credits include "Same Time, Next Year," "California Suite," "Manhattan Murder Mystery" and "The Aviator"