American Journalist 1 episode, 2016
Parker Stanley Tyler (1 episode, 1997)
Chancellor Stevens / ... (2 episodes, 1998-1999)
Morgan Stern / ... (2 episodes, 1991-1993)
General Renning - 'Icarus'
Dr. Phillip Jellinak, Sr.
Admiral Anthony Haftel (1 episode, 1990)
Amos Borden (1 episode, 1989)
Chester Gaddis (2 episodes, 1991)
Lionel Lockridge (258 episodes, 1984-1993)
Ross Manley (1 episode, 1983)
City Attorney David Stallings / ... (3 episodes, 1981-1983)
Poker Player (в титрах отсутствует)
Andrew 'Andy' MacKenzie (1 episode, 1983)
David Warner (5 episodes, 1982-1988)
Lyle Sloan / ... (3 episodes, 1978-1980)
Col. Drake (1 episode, 1979)
Colonel Sidney Huff - MacArthur's aide
Professor Croydon (1 episode, 1977)
Silas Lockhart (1 episode, 1978)
Steve Andrews (unknown episodes, 1988-1989)
Robert Delaney (1970-1972) (original cast) (unknown episodes)
Anthony Makana (unknown episodes, 1983-1984)
Dr. Paul Jellico (as Nicholas Coster)
Police Officer Gregory (1 episode, 1967)
Dr. Matt Steele #3 (1962-1963)
Eduardo Grimaldi / ... (unknown episodes, 1993-1995)
Student (в титрах отсутствует)
Humphrey, Young Squire (в титрах отсутствует)
Cadet Wilson (в титрах отсутствует)
Seaman (в титрах отсутствует)
Hank Bales 1 episode, 2013
Mr. Hamilton (unknown episodes)
Robert Delaney (как Nicholas Coster)
Self - Guest 2 episodes, 2016-2017