- Michael Sacks
- Billy Pilgrim
- Ron Leibman
- Paul Lazzaro
- Eugene Roche
- Edgar Derby
- Sharon Gans
- Valencia Merble Pilgrim
- Valerie Perrine
- Montana Wildhack
- Holly Near
- Barbara Pilgrim
- Perry King
- Robert Pilgrim
- Kevin Conway
- Roland Weary
- Friedrich von Ledebur
- German Leader
- Ekkehardt Belle
- Young German Guard
- Sorrell Booke
- Lionel Merble
- Roberts Blossom
- Wild Bob Cody
- John Dehner
- Prof. Rumfoord
- Gary Waynesmith
- Stanley
- Richard Schaal
- Howard W. Campbell Jr.
- Gilmer McCormick
- Lily Rumfoord
- Stan Gottlieb
- Hobo
- Karl-Otto Alberty
- German Guard - Group Two
- Henry Bumstead
- Eliot Rosewater
- Lucille Benson
- Billy's Mother
- John Wood
- English Officer
- Oto SevcÃk
- (as SevcÃk Otto)
- Alexander Allerson
- German Propaganda Man
- Robert Anthony
- American Corporal
- David Carlile
- Billy's Father
- Bill Cole
- Singer
- Harald Dietl
- German Guard - Group Two
- Ronnie Elliott
- Machine Operator
- Walter Feuchtenberg
- German Guard - Group Two
- Barbara Frey
- Nurse
- Warren Frost
- Driver
- John Goddard
- Anesthesiologist
- Paul Hansard
- German Photographer
- Bob Harks
- Father at Swimming Pool
- Bob 'Tiger' Hemond
- Billy Pilgrim - Age 8
- Emil Iserle
- Old Man in Street
- Frank Jamus
- Assistant Doctor
- William Kanady
- Singer
- Otto Konrad
- German Guard - Group Two
- Bill Lee
- Singer
- Joshua Hill Lewis
- Billy Pilgrim - Age 8 Underwater
- Bryan Montgomery
- Slave Boy
- Kent O'Dell
- Father at Swimming Pool
- Hank Robinson
- Father at Swimming Pool
- George Skaff
- Emergency Doctor
- Richard Stahl
- Army Doctor
- Charles Stapley
- English Officer
- Joan Swift
- O.R. Nurse
- Werner Umberg
- SS Officer
- James Wheeler
- Singer
