Spudvisor
Mel Stewart

Billy Melrose (88 episodes)

Martha Smith

Francine Desmond (88 episodes)

Frank Bonner

(3 episodes)

Henry 'Buck' O'Connell (1 episode)

Jordan Christopher

Ren Lepard (1 episode)

Norton Scott (as Jordon Christopher) (1 episode)

Patti Yasutake

Teldar Employee (1 episode)

Field Reporter (1 episode)

John Saxon

Dirk Fredericks (2 episodes)

John Hostetter

IFF Agent Jack (1 episode)

IFF Agent (1 episode)

Rick Jason

Ambassador Harcourt (1 episode)

George Chakiris

Angelo Spinelli (1 episode)

Harold Gould

Andrei Zernov (1 episode)

Hildegard Knef

Princess Sophia Valosky (1 episode)

Quinn K. Redeker

Capt. Curt Weller (1 episode)

Allan Rich

Murray D. Murray (1 episode)

Larry Gelman
Jack Hogan

Gen. Titus Morgan (1 episode)

Anne Haney

Mrs. Dunlap (1 episode)

Linda Carlson

Dr. Ann Mallory (1 episode)

Elena Verdugo
Bruce Tuthill

First IFF Agent (1 episode)

Edwin Owens

Jack Coughlin (1 episode)

Tara St. Andrew

Kissing Couple (as Tara St. Andrews) (1 episode)

Carla Borelli

Cecilia Kemper (1 episode)

Peter White

Darrell Robison (1 episode)

Doug McClure

Russell Sinclair (1 episode)

Beverly Washburn

Woman in Buzz Blade movie (1 episode)

Art LaFleur

Rodney Hobart (1 episode)

Linden Chiles

Sanderson North (1 episode)

Ted Gehring

J.C. Granger (1 episode)

Bob Herron

Sarge (uncredited) (1 episode)

Madison Arnold

Henchman with fruits (1 episode)

Jane Kaczmarek

Penelope 'Penny' Squire / Princess Salana Sharese Khan (1 episode)

Richard Herd

Jake Williamson (1 episode)

Nancy Stafford

Colleen Donnelly (1 episode)

Robert Hogan

C. Payne Lucas (1 episode)

Arnold F. Turner
Roberto Rodriquez
Diana Douglas

Evelyn McGuire (1 episode)

William Marquez

President Polo de Gregorio (1 episode)

Julio Medina
Ben Murphy

Alan Chamberlain (1 episode)

Doris Belack

Mrs. Courtney (1 episode)

Jimmy Fields

Party Guest (uncredited) (1 episode)

Gene Evans

Gus Weinstein (1 episode)

Henry Jones

Barney Dorsey (1 episode)

Dennis Lipscomb
Don Galloway
Jan DeWitt

Second Unit First Assistant Director (1 episode)