How Matthew Daddario Got In Shape For His Role In 'Shadowhunters'

Actor Matthew Daddario will make you swoon as Alec Lightwood in "Shadowhunters," Freeform's TV adaptation of the book series The Mortal Instruments, but getting into tip-top shape for the role was no walk in the park. In the video above, watch Daddario share his fitness routine with host Alyona Minkovski, and see more from his HuffPost Live conversation here.

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Kim Cattrall

Samantha Jones herself dropped by on Jan. 29, 2016, to chat about her new series "Sensitive Skin."
Samantha Jones herself dropped by on Jan. 29, 2016, to chat about her new series "Sensitive Skin."

Timbaland

The super producer opened up about his life and career during a Jan. 25, 2016, conversation about his memoir "The Emperor Of Sound."
The super producer opened up about his life and career during a Jan. 25, 2016, conversation about his memoir "The Emperor Of Sound."

Anna Faris

The hilarious star of "Mom" brought copious laughs to the studio on Jan. 21, 2016.
The hilarious star of "Mom" brought copious laughs to the studio on Jan. 21, 2016.

Salt-N-Pepa

The unforgettable hip-hop duo brought some funk to the HuffPost Live studio on Dec. 16, 2015.
The unforgettable hip-hop duo brought some funk to the HuffPost Live studio on Dec. 16, 2015.

Jill Soloway

The creator of "Transparent" schooled us on trans issues and the obsolescence of the gender binary on Nov. 17, 2015.
The creator of "Transparent" schooled us on trans issues and the obsolescence of the gender binary on Nov. 17, 2015.

Patricia Arquette

The Oscar winner gave HuffPost Live a visit on Nov. 12, 2015.
The Oscar winner gave HuffPost Live a visit on Nov. 12, 2015.

Niecy Nash

Host Nancy Redd joins forces with the star of "Getting On" and "Scream Queens" on Nov. 5, 2015.
Host Nancy Redd joins forces with the star of "Getting On" and "Scream Queens" on Nov. 5, 2015.

Tim Gunn

The "Project Runway" mentor schools host Caroline Modarressy-Tehrani on all things fashion on Nov. 5, 2015. 
The "Project Runway" mentor schools host Caroline Modarressy-Tehrani on all things fashion on Nov. 5, 2015. 

Tom Hiddleston and Jessica Chastain

The stars of "Crimson Peak" felt a serious connection during their chat with HuffPost Live on Oct. 16, 2015.
The stars of "Crimson Peak" felt a serious connection during their chat with HuffPost Live on Oct. 16, 2015.

Gina Rodriguez

The Golden Globe-winner dropped by HuffPost Live on Oct. 7, 2015, to chat about "Jane The Virgin" and her partnership with the lingerie company Naja.
The Golden Globe-winner dropped by HuffPost Live on Oct. 7, 2015, to chat about "Jane The Virgin" and her partnership with the lingerie company Naja.

Anne Hathaway and Nancy Meyers

HuffPost Live welcomed the ladies of "The Intern" on Sept. 22, 2015.
HuffPost Live welcomed the ladies of "The Intern" on Sept. 22, 2015.

Chrissy Teigen and Joe Zee

The 'FABLife' co-hosts cracked themselves up when they dropped by the studio on Sept. 10, 2015.
The 'FABLife' co-hosts cracked themselves up when they dropped by the studio on Sept. 10, 2015.

Richard Gere

Host Alyona Minkovski got some face time with the Hollywood leading man on Sept. 9, 2015.
Host Alyona Minkovski got some face time with the Hollywood leading man on Sept. 9, 2015.

Wendy Williams

<p>The talk show host offered HuffPost Live's Caroline Modarressy-Tehrani a little lesson in throwing shade on Sept. 2, 2015.&nbsp;</p>

The talk show host offered HuffPost Live's Caroline Modarressy-Tehrani a little lesson in throwing shade on Sept. 2, 2015. 

Jerry Rice

<p>The NFL legend catches a pass with ease in the HuffPost Live studio on Aug. 27, 2015.</p>

The NFL legend catches a pass with ease in the HuffPost Live studio on Aug. 27, 2015.

Elisabeth Moss

<p>HuffPost Live welcomed the "Mad Men" star to dish on her film "Queen of Earth" on Aug. 20, 2015.</p>

HuffPost Live welcomed the "Mad Men" star to dish on her film "Queen of Earth" on Aug. 20, 2015.

Uzo Aduba

<p>The "Orange Is The New Black" star kept us smiling on Aug. 12, 2015.&nbsp;</p>

The "Orange Is The New Black" star kept us smiling on Aug. 12, 2015. 

Salma Hayek

<p>The actress dropped by on&nbsp;Aug. 6, 2015, to discuss her film "Kahlil Gibran's The Prophet."</p>

The actress dropped by on Aug. 6, 2015, to discuss her film "Kahlil Gibran's The Prophet."

The Cast Of "Fantastic Four"

<p>Miles Teller, Kate Mara, Michael B. Jordan and Jamie Bell bring their superpowers to HuffPost Live on Aug. 4, 2015.</p>

Miles Teller, Kate Mara, Michael B. Jordan and Jamie Bell bring their superpowers to HuffPost Live on Aug. 4, 2015.

Judd Apatow, Vanessa Bayer and Bill Hader

<p>This hilarious trio dropped by on July 15, 2015, to chat about their uproarious comedy "Trainwreck."</p>

This hilarious trio dropped by on July 15, 2015, to chat about their uproarious comedy "Trainwreck."

Ryan Reynolds

<p>The actor dropped by on July 6, 2015, to give us the scoop on his thriller "Self/less."</p>

The actor dropped by on July 6, 2015, to give us the scoop on his thriller "Self/less."

Hilary Swank

<p>The Oscar winner dropped by HuffPost Live on July 2, 2015.</p>

The Oscar winner dropped by HuffPost Live on July 2, 2015.

David Crosby

<p>The music legend was as fascinating as ever during his HuffPost Live interview on June 26, 2015.</p>

The music legend was as fascinating as ever during his HuffPost Live interview on June 26, 2015.

Joel McHale

<p>The host of "The Soup" brought plenty laughs to his conversation with HuffPost Live's Josh Zepps on June 17, 2015.</p>

The host of "The Soup" brought plenty laughs to his conversation with HuffPost Live's Josh Zepps on June 17, 2015.

Nick Jonas

The HuffPost Live office collectively swooned when the "Jealous" singer brought his charm to the studio on June 11, 2015.
The HuffPost Live office collectively swooned when the "Jealous" singer brought his charm to the studio on June 11, 2015.

Kit Harington

Jon Snow himself stopped by the HuffPost Live studio on June 1, 2015, to talk with host Alyona Minkovski about his film "Testament of Youth."
Jon Snow himself stopped by the HuffPost Live studio on June 1, 2015, to talk with host Alyona Minkovski about his film "Testament of Youth."

Paul Feig and Jason Statham

The team behind the action comedy "Spy" brought big laughs to HuffPost Live on June 1, 2015.
The team behind the action comedy "Spy" brought big laughs to HuffPost Live on June 1, 2015.

Laura Dern

A ray of sunshine hit the HuffPost Live studio when Laura Dern dropped by on May 12, 2015.
A ray of sunshine hit the HuffPost Live studio when Laura Dern dropped by on May 12, 2015.

Jay Pharoah

The master impressionist and "SNL" star clowned around with HuffPost Live on May 12, 2015.
The master impressionist and "SNL" star clowned around with HuffPost Live on May 12, 2015.

Blythe Danner

The award-winning actress stopped by on May 12, 2015, to discuss her new film "I'll See You In My Dreams."
The award-winning actress stopped by on May 12, 2015, to discuss her new film "I'll See You In My Dreams."

Zac Posen

The designer stopped by on May 7, 2015, to chat about fashion and help HuffPost celebrate its 10th anniversary.
The designer stopped by on May 7, 2015, to chat about fashion and help HuffPost celebrate its 10th anniversary.

Jack Black

The comedian brought a ton of laughs to HuffPost Live on May 6, 2015, during a chat about his film "The D Train."
The comedian brought a ton of laughs to HuffPost Live on May 6, 2015, during a chat about his film "The D Train."

Bethenny Frankel

The Skinnygirl mogul and "Real Housewives" star chatted with HuffPost Live's Caitlyn Becker on April 29, 2015.
The Skinnygirl mogul and "Real Housewives" star chatted with HuffPost Live's Caitlyn Becker on April 29, 2015.

Arnold Schwarzenegger

The Terminator himself cozies up with HuffPost Live's Ricky Camilleri and "Maggie" director Henry Hobson on April 22, 2015.
The Terminator himself cozies up with HuffPost Live's Ricky Camilleri and "Maggie" director Henry Hobson on April 22, 2015.

Lily Tomlin

The iconic comedian joined HuffPost Live on April 20, 2015, along with filmmaker Paul Weitz, director of the comedy "Grandma."
The iconic comedian joined HuffPost Live on April 20, 2015, along with filmmaker Paul Weitz, director of the comedy "Grandma."

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This article originally appeared on HuffPost.