Lena Dunham

Lena Dunham joinedScandalfor one episode in the show’s fourth season.

She winds up dead by the end of the episode.

Ernie Hudson

Ernie Hudson found time in his busy schedule for a 2013 episode ofScandal.

Lena Dunham

Nicole Wilder/ABC

Elizabeth Vargas

ABC journalist Elizabeth Vargas made a brief cameo in the third season ofScandal.

The20/20andGood Morning Americapersonality appropriately played a debate moderator, presiding over the showdown between Governor Reston and Congresswoman Marcus.

Courtney B. Vance

Before playing Johnnie Cochran onThe People v. O.J.

Ernie Hudson

ABC

She played Betsy Ray, a former B-613 spy who has since built a normal life for herself.

Zoe Perry

How’s this for keeping in the Shondaland family?

Score one for Jake!

Elizabeth Vargas

Richard Cartwright/ABC via Getty Images

Liz Torres

Gilmore Girlsalum Liz Torres appeared inScandal’s second season.

She played federal judge Kaley in a courtroom scene with Olivia.

Her character works in a lab that Harrison visits while looking for a rape kit.

Courtney B. Vance

ABC

Jason London

Dazed and Confusedalum Jason London made a 2012 appearance inScandalas Skip Pierce.

His character becomes a client of Pope & Associates after his businessman father begins acting erratically.

He played the father to Fitz with dubious character.

Mary Pat Gleason

ABC

She played Sarah Stanner, a CEO who enlists Olivia when she is caught up in a cheating scandal.

Michael Welch

TheTwilightactor joinedScandalfor a talked-about episode in the show’s fourth season.

His lawyer character is involved in deliberations involving a rape accusation.

William Russ

ABC

Marla Gibbs

The Emmy-nominated actress addedScandalto her resume in 2015, when she appeared in two episodes.

She played Rose, the friend to Olivia’s neighbor who is killed in her kidnapping.

Keiko Agena

Gilmore Girlsstar Keiko Agena appeared as Britta Kagen inScandal’s second season.

JOE MORTON, ZOE PERRY

John Fleenor/ABC

Her character was the White House Press Secretary and she died in the shooting at Fitz’s birthday party.

Josh Brener

Silicon Valley’s Josh Brener played Gavin Price in a 2015 episode ofScandal.

His character is accused of murdering his father.

DAVID WARSHOFSKY

Richard Cartwright/ABC

Emily Bergl

American CrimeandShamelessactress Emily Bergl dropped in onScandal’s fourth season as Janet Beene.

She played Cyrus Beene’s ex-wife.

His character has a dark private life and is facing murder charges.

Liz Torres

Danny Feld/ABC via Getty images

John Barrowman

Arrowstar John Barrowman made an appearance in a 2013 episode ofScandal.

He plays an unnamed fixer who joins Mellie Grant’s team.

Lauren Bowles

True Bloodalum Lauren Bowles popped up in a season four episode ofScandal.

Jerrika Hinton

ABC

She portrayed Harmony, Mellie’s somewhat estranged half-sister.

Melora Hardin

Between stints onThe OfficeandTransparent, Melora Hardin played Shelley Meyers in one 2013 episode ofScandal.

Her character is the wife of a senator, who is in the midst of a murder scandal.

Jason London

ABC

Her character is the wife of Governor Samuel Reston and finds herself in jail after a mysterious death.

Barry Bostwick

Richard Cartwright/ABC via Getty Images

Lisa Edelstein

ABC

Michael Welch

ABC

Curtis Armstrong

ABC

Marla Gibbs

ABC

Keiko Agena

ABC

Lorraine Toussaint

ABC

Josh Brener

ABC

Emily Bergl

ABC

Patrick Fabian

ABC

John Barrowman

ABC

Lauren Bowles

Nicole Wilder/ABC via Getty Images

Melora Hardin

Randy Holmes/ABC via Getty Images

Mary McCormack

Eric McCandless/ABC via Getty Images

Kelly McCreary

ABC

Brenda Strong

ABC