Full Cast — Quantum Leap (1989–1993)
Scott Bakula
Sam Beckett
Dean Stockwell
Al Calavicci
Dennis Wolfberg
Gooshie
Fran Bennett
Marie Billings / Ada Simpson
W.K. Stratton
Lyle Roundtree / Dr. Berger / Larry Stanton III
Carolyn Seymour
Priscilla Stoltz / Zoey
Michael Bellisario
Little Boy / Billy / Kid / Martin Jr.
Deborah Pratt
Troian Claridge / Ziggy (voice)
Brad Silverman
Pete / Jimmy LaMotta
John D'Aquino
Tonchi / Frank LaMotta / Frank LaMotta
James Whitmore Jr.
Clayton Fuller / Bob Crockett / Police Captain
Eric Bruskotter
Glen / Beau / Red
Willie Garson
Seymour / Alik Idell / Lee Harvey Oswald
Rodney Kageyama
Choo Choo / Joda
Meg Foster
Laura Fuller
Stephen Lee
Bo Loman
Renée Coleman
Alia
Reni Santoni
Sgt. Lopez
Laura Harrington
Connie LaMotta
Max Wright
Doc Kinman
Elya Baskin
Major Yuri Kosenko
David Newsom
Tom Beckett
Patty Toy
Bar Girl
Travis Fine
Will Kinman
Richard Riehle
Lt. Lannon / Clifford Vargas
Melora Hardin
Abagail Fuller
Ryan McWhorter
Corey LaMotta
Olivia Burnette
Katie Beckett / Susan Bruckner
Teddy Wilson
Ernie Tyler / Jimmy Grady
Paul Linke
Sheriff Ben Masters / Lionel
Ric Mancini
Other Al / Al
Royce D. Applegate
Sheriff Blount / Radio Reporter
Sloan Fischer
Dr. Daniel Young / Stage Manager
Anne Haney
Grace Beaumont / Cassy Thailer
Liz Vassey
Paula Fletcher / Barbara Whitmore
Lela Ivey
Chloe / Lucy
Charles Rocket
Commander Dirk Riker / Michael G. Blake
Maria Lauren
Carmenina / Anita
Michael D. Roberts
Isaac King / Willis Tyler
Patrick Massett
Ralph Beaumont / Rusty
Dan Butler
Mutta / Jake Dorleac
Parley Baer
Judge Shiner / Dr. Rogers
Richard Herd
Ziggy Ziganovich / Moe Stein / Moe Stein
Adam Logan
Young Sam Beckett
Kimberly Cullum
Sammie Jo Fuller / Abagail Fuller
Gregory Millar
Pusher / Lonnie Harper
J.D. Daniels
Kid / Josh Elroy
Jan Eddy
Whittler / Benny Skyler
Bruce McGill
Weird Ernie / Al the Bartender
Mike Genovese
Don Geno Frascotti / Mr. Collins
Rich Whiteside
Doc / Marine Guard
Howard Matthew Johnson
Jesse Tyler
LaReine Chabut
Samantha Stormer
Candy Ann Brown
Dr. Verbeena Beeks
Donald P. Bellisario
Dr. Timothy Mintz / Miner
Hank Robinson
Umpire
Pat Skipper
Lucas 'Luke' Marlet / Tequila
Susan Isaacs
Lucy Means / Myra Sammis
Natasha Pavlovich
Marina Oswald
Donna Magnani
Mariska
Michael Lopez
Cpl. McBride
Philip McNiven
PFC Briggs
Ward C. Boland
Lt. Obrigowitz
James Medina
Carlos
Chris Kinkade
New Orleans Policeman
Matthew Charles Nelson
Sgt. Bellisario
Erika Amato
Lt. Anna Guri
Max Lazar
Guard
Nathan Lisle
Frazier
Becky London
Ruth Paine
Karen Ingram
Jackie Kennedy
Mary Gordon Murray
Leta Aider
Susan Diol
Beth Calavicci
Cynthia Windham
Sister / Beauty Pageant Contestant / Missy