Peter Basinski

(episodes "Honest Abe (1991)", "Good Knight MacGyver: Part 1 (1991)", "Split Decision (1991)" and "Mountain of Youth, The (1992)")

Ron Binkowski

(5 episodes 1991-1992 (season 7)

Howard Brock

(episode "Golden Triangle, The (1985)")

Howard Deane

(episodes "Phoenix Under Siege (1987)" and "For Love Or Money (1987)")

William Paul Dornisch

(episodes "Early Retirement (1988)", "Thin Ice (1988)",
"Negotiator, The (1988)" and "Rock the Cradle (1988)")

Robert Dorsett

(episode "Silent World (1986)")

Michael Eliot

(episode "Hell Week (1987)") (as Mike Eliot)

Jana Fritsch

(20 episodes in seasons 4-6, 1988-1991)

Grant Johnson

(episode "Thief of Budapest (1985)")

Robert Lederman

(5 episodes 1987-1988 (season 3)) (as Bob Lederman)

Patrick Lussier

(16 episodes 1989-1991)

Pamela Malouf-Cundy

(episodes "Last Stand (1985)", "Hellfire (1985)", "Target MacGyver (1985)"
and "Nightmares (1986)") (as Pamela Malouf)

Rick Martin

(episodes "Blood Brothers (1988)", "Collision Course (1988)",
"Deadly Dreams (1989)" and "Battle of Tommy Giordano, The (1989)")

Chip Masamitsu

(episodes "Hood, The (1991)", "Walking Dead (1991)",
"Deadly Silents (1991)" and "Off the Wall (1991)")

Larry L. Mills

(episode "Lost Love (1987)") (as Larry Mills)

Bill Parker

(episodes "Last Stand (1985)", "Hellfire (1985)" and "Nightmares (1986)")

George Potter

(5 episodes in season 3)

Joe Ravetz

(episodes "Prodigal, The (1985)" and "Deathlock (1986)")

Brad Rines

(17 episodes in seasons 4-6, 1988-1991)

David Saxon

(1987-1988)

Jay Scherberth

(episode "Trumbo's World (1985)")

David Wages

(episodes "Prodigal, The (1985)" and "Deathlock (1986)")

Peter V. White

(episode "Gauntlet, The (1985)") (as Peter White)

Ron Yoshida

(6 episodes in season 6, 1990-1991)