He first acted in college productions and in Seattle, then moved to England, where he became well-respected as a fine stage actor; he also appeared in two or three films in the '50s. In the late '50s he gave several impressive performances on Broadway; for his work in Broadway's Who's Afraid of Virginia Woolf? he won a Tony Award in 1962. His film work has been sporadic, with occasional bursts of activity; he has often played intelligent, introspective leads and key supporting roles. He has done similar work in many TV productions. He starred in the TV series Owen Marshall: Counsellor at Law.
- Was drafted into the Royal Canadian Air Force as a mechanic during World War II.
- While pursuing a degree in law, he put himself through school performing in radio theater with the Canadian Broadcasting Co.
- Debuted on Broadway as Cornelius Hackl in the 1957 revival of Thornton Wilder's The Matchmaker.
- Won the Tony Award for Best Dramatic Actor for his performance in the original Broadway production of Edward Albee's Who's Afraid of Virginia Woolf? in 1963.
- Most famous role was attorney Owen Marshall in the 1971-74 TV series Owen Marshall, Counselor at Law.