He appeared regularly on Broadway in the 1950s, starring, opposite Celeste Holm, in Affairs of State and in Love Me Long with Shirley Booth.
The 1958 film version starred Shirley Booth as Dolly, Anthony Perkins as Cornelius and Robert Morse retained as Barnaby.
Composer Marc Blitzstein was reportedly so delighted with Amundsen that he expanded her role in Juno (musical) to include three major songs: I Wish It So, For Love, and My True Heart, as well as a duet with Shirley Booth, The Bird Upon The Tree.
Shirley Bassey | Shirley Temple | Shirley MacLaine | John Wilkes Booth | Shirley Williams | Shirley | Edwin Booth | Shirley Jones | Shirley Knight | Shirley Jackson | Tim Booth | Shirley, New Zealand | Shirley Henderson | Laverne & Shirley | Booth Tarkington | Shirley Eikhard | Shirley Collins | Shirley Clarke | Junius Brutus Booth | James Shirley | Shirley Verrett | Shirley Caesar | Shirley Boys' High School | Shirley Bonne | Shirley Valentine | Shirley R. Steinberg | Shirley Murdock | Shirley Franklin | Shirley Clamp | Shirley Chisholm |
The 1958 film version, adapted by John Michael Hayes and directed by Joseph Anthony, starred Shirley Booth (Come Back, Little Sheba) as Dolly, Anthony Perkins (Psycho) as Cornelius, Shirley MacLaine (Terms of Endearment) as Irene, Paul Ford (The Music Man) as Vandergelder, and Robert Morse reprising his Broadway role as Barnaby.
The opening-night cast included Skip Homeier as Emil and Edit Angold as Frieda, both of whom originated their movie roles in the play, and Ralph Bellamy as Mike Frame, Shirley Booth as Leona Richards and Kathryn Givney as Jessie Frame.