- Played the arch-villian Dr. Regis Blackgaard and his twin Edwin Blackgaard on the radio drama Adventures in Odyssey from 1989-Present.
- Voiced Ghost Pirate LeChuck in all of the talkie episodes of the Monkey Island video game series. Despite his retirement, he returned for voicing LeChuck in The Secret of Monkey Island (1990) and "Tales of Monkey Island" (2009), where he returned as LeChuck in the 4th episode, "The Trial and Execution of Guybrush Threepwood".
- (1965 season) Paul Ballantyne, Graham Brown, Zoe Caldwell, Kristina Callahan, John Cappalletti, Charles Cioffi, John Cromwell, Hume Cronyn, Niki Flacks, Ed Flanders, Kenneth Frankel, Ellen Geer, Helen Harrelson, James Horswill, James J. Lawless, John Lewin, John MacKay, Sandy McCallum, Evie McElroy, Robert Milli, Ruth Nelson, Robert Pastene, Lee Richardson, Ken Ruta, Thomas Slater, Alvah Stanley, Jessica Tandy, Donald West, Ann Whiteside and Nancy Wickwire and he were members of the ensemble acting company at the Tyrone Guthrie Theater in Minneapolis, Minnesota.
- (1966 season) Paul Ballantyne, Fran Bennett, Mark Berman, Ron Boulden, Helen Carey, Len Cariou, Timothy Christie, Olivia Cole, John Cromwell, Patricia Elliott, Ed Flanders, Ellen Geer, Marie Geist, Hugh Hurd, Robert Jackson, Philip Kerr, Joseph Klimowski, James J. Lawless, Sandy McCallum, Evie McElroy, Michael Moriarty, Ruth Nelson, Robert Pastene, Jan Pearce, Lee Richardson, Ken Ruta, Tina Sattin, Robert Sloane, Dean Stricklin, James Wallace, Donald West, Nancy Wickwire, and Nick Zanides and he were members of the ensemble acting company at the Tyrone Guthrie Theater in Minneapolis, Minnesota.
- (1967 season) James Alexander, Paul Ballantyne, Raye Birk, Edward Binns, Ronald Boulden, Adolph Caesar, Douglas Campbell, Helen Carey, Len Cariou, Jon Cranney, Patricia Elliott, David Flaten, Frederick Gaines, Robin Gammell, Melody Greer, Jeffrey Jones, Grace Keagy, Philip Kerr, Joseph Klimowski, Robert Lanchester, James J. Lawless, John Lewin, Travis Lockhart, George Mitchell, Michael Moriarty, Robert Pastene, J. Robert Pearce, Michael Pierce, Fred Pinkard, Richard Ramos, Lee Richardson, Irene Roseen, Nick Savian, Robert Skloot, J. Walter Smith, Gale Sondergaard, Katherine Squire, Glynn Turman, Granville Van Dusen, James Wallace, Moira Wylie and he were members of the ensemble acting company at the Tyrone Guthrie Theater in Minneapolis, Minnesota.
- (1963) Adrienne Alexander; Denise Alexander; Rod Alexander; Lee Anne Allen; Kathleen Barnes; Lisa Fortmiller Beach; Robert Benson; K. Cecil Berry; Edward S. Brubaker; Fred Chapman; Betsy Cope; Matthew Corey; Sara Covalt; Jeffrey Craggs; Jon Cranney; Suzanne D'Autremont; Lawrence E. Davidson; Christopher Dawkins; Ellen Dawkins; Ronald Dorfman; Shirley Douglass Patton; Pamela Dowis; George Ebey; Stanley Elberson; Charlotte Elmgren; Hugh C. Evans; Virginia Flick; William Gamble; John Getgood; Martha Ann Graham; Richard "Dick" Graham; Marian Hailey; Daniel J. Hoppe; Judith Hoppe; Elizabeth Huddle; Allen Hughes; Stacy Keach; Judith Offord Kennedy; Linda Levering; April Lewis; Kirk Mee; Lucille Melinat; Andrea Reeder; Belinda Reiss; Charles Richmond; William Roberts; Bruce Salvatore; Powell Shepherd; James Smith; Marion Smith; Sarah Elizabeth Stambler; Richard Sterne; David Swenson; Charles G. Taylor; Robert Tembeck; Julia Thompson; Tom Vail; Victor Walston; Martha Wynd and he were performers at the Oregon Shakespeare Festival in Ashland, Oregon.