Supergirl

Ace Reporter (Season 2, Episode 18)

TV-PG

TV Episode | 41 min | Action, Adventure, Drama

Lena's ex-boyfriend Jack Spheer comes to National City to reveal his breakthrough in nanotechnology that has the potential to eliminate all diseases.

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Cast	+ Add Cast
19 cast members

Name	Known for
Melissa Benoist Kara Danvers / Supergirl Kara Danvers / Supergirl See fewer	Supergirl (2015)
Mehcad Brooks James Olsen / Guardian James Olsen / Guardian See fewer	Desperate Housewives (2004)
Chyler Leigh Alex Danvers Alex Danvers See fewer	Not Another Teen Movie (2001)
Jeremy Jordan Winn Schott Winn Schott See fewer	The Last Five Years (2014)
Floriana Lima Maggie Sawyer (credit only) Maggie Sawyer (credit only) See fewer	The Punisher (2017)
Chris Wood Mon-El Mon-El See fewer	Containment (2016)
David Harewood J'onn J'onzz J'onn J'onzz See fewer	Blood Diamond (2006)
Teri Hatcher Rhea Rhea See fewer	Tomorrow Never Dies (1997)
Katie McGrath Lena Luthor Lena Luthor See fewer	Jurassic World (2015)
Tamzin Merchant Lyra Strayd Lyra Strayd See fewer	Carnival Row (2019)
Rahul Kohli Jack Spheer Jack Spheer See fewer	iZombie (2015)
Claudia Doumit Beth Breen Beth Breen See fewer	The Boys (2019)
Ian Gomez Snapper Carr Snapper Carr See fewer	My Big Fat Greek Wedding (2002)
Arash Ghorbani Derrick Simmons (as Johnny Ghorbani) Derrick Simmons (as Johnny Ghorbani) See fewer	Write Before Christmas (2019)
Josh Hallem Brian Brian See fewer	Window of Opportunity (2023)
Andrew McNee Joe Joe See fewer	Firewall (2006)
Peter Brown Press (uncredited) Press (uncredited) See fewer	Big Brother Canada (2013)
Jim Eliason DEO Agent (uncredited) DEO Agent (uncredited) See fewer	Asylum at Blackthorn (2016)
Celeste White Steele Seminar Guest (uncredited) Seminar Guest (uncredited) See fewer	Despicable Me 3 (2017)