Played the role of Richie's dad, Howard Cunningham, on the television show Happy Days and the eponymous character on the series Father Dowling Mysteries.
He fought in World War II under the United States Navy.
He originated the lead role in the Broadway musical Fiorello! and received a Tony Award for his performance in 1960.
He married Jane Eliot in 1962.
He performed at the Woodstock Opera House in Woodstock, Illinois, in 1949 and 1950 alongside Paul Newman.
