These stars took on twice the work to play twins.

While some productions cast real-life identical twins, others opt for one actor to pull double duty.

“Literally every department was involved.

THE PARENT TRAP, Lindsay Lohan, 1998

Lindsay Lohan x2 in ‘The Parent Trap’.Credit:Walt Disney/courtesy Everett Collection

It was like a group swap.

We all swapped together and then the other actors had to adjust as well.”

With multiple hands on deck, these performances deserve twice the spotlight.

Hayley Mills as Sharon McKendrick and Susan Evers in The Parent Trap

Hayley Mills in ‘The Parent Trap’.Walt Disney Co./Courtesy Everett Collection

Read below for 20 actors who played twins on screen.

TheMad Max: Fury Roadactorplayed real-life gangster twins Reginald “Reggie” and Ronald “Ronnie” Kray.

The futureOscarwinner played twins King Louis XIV and Philippe Bourbon.

Camp Walden (The Parent Trap)

Lindsay Lohan in ‘The Parent Trap’.Lorey Sebastian

The action star appeared as twins Alex and Chad Wagner.

Tilda Swinton as Thora and Thessaly Thacker inHail, Caesar!

The famed actress played twins Margaret DeLorca and Edith Phillips in the thriller.

Friends, The One With Joey’s Bag. S5, E13

Lisa Kudrow on ‘Friends’.NBC

Prety Little Liars Spencer and twin

Troian Bellisario on ‘Pretty Little Liars’.Freeform

Armie Hammer as Cameron and Tyler Winklevoss in The Social Network

Armie Hammer in ‘The Social Network’.Columbia Pictures

DEAD RINGERS, Rachel Weisz

Rachel Weisz in ‘Dead Ringers’.Amazon / Courtesy Everett Collection

Tom Hardy as Reggie and Ronnie Kray in Legend

Tom Hardy in ‘Legend’.Universal Pictures

Nicolas Cage as Charlie and Donald Kaufman in Adaptation

Nicolas Cage in ‘Adaptation’.Columbia Pictures

Janelle Monae in Glass Onion: A Knives Out Mystery

Janelle Monaé in ‘Glass Onion: A Knives Out Mystery’.Netflix; John Wilson/Netflix

Leonardo DiCaprio as King Louis XIV and Philippe in The Man in the Iron Mask

Leonardo DiCaprio in ‘The Man in the Iron Mask’.United Artists/Courtesy Everett Collection

Jean Claude Van Damme as Alex and Chad Wagner in Double Impact

Jean-Claude Van Damme in ‘Double Impact’.

I KNOW THIS MUCH IS TRUE, Mark Ruffalo

Mark Ruffalo in ‘I Know This Much Is True’.Atsushi Nishijima/HBO/Courtesy Everett Collection

Marion Cotillard as Marie and Lucie in Pretty Things

Marion Cotillard in ‘Pretty Things’.

Bette Midler as Sadie Shelton and Sadie Ratliff in Big Business

Bette Midler in ‘Big Business’.

Lily Tomlin as Rose Ratliff and Rose Shelton in Big Business

Lily Tomlin in ‘Big Business’.

Tilda Swinton as Thora Thacker and Thessaly Thacker in Hail, Caesar!

Tilda Swinton as Thora Thacker and Thessaly Thacker in ‘Hail, Caesar!'.Universal Pictures

Bette Davis as Margaret DeLorca and Edith Phillips in Dead Ringer

Bette Davis in ‘Dead Ringer’.Courtesy Everett Collection

Blake Lively in A Simple Favor

Blake Lively in ‘A Simple Favor’.Lionsgate

Paul Dano as Paul and Eli Sunday in There Will Be Blood

Paul Dano in ‘There Will Be Blood’.

Edward Norton as Bill and Brady Kincaid in Leaves of Grass

Edward Norton in ‘Leaves of Grass’.Glen Wilson