Mary Chieffo (she/her) is a queer actor/producer known internationally as the Klingon Commander turned Chancellor L'Rell on the Paramount+ series Star Trek: Discovery. Chieffo received her BFA from Juilliard in 2015, along with the prestigious Elizabeth Smith Voice and Speech Prize and the Saint-Denis Prize for "Outstanding Achievement and Leadership in Drama." Mary recently produced and starred in Iago: The Green-Eyed Monster, a Musical AR Experience reinterpreting the notorious Shakespeare villain as a woman, co-created with Josh Nelson Youssef in collaboration with Viola Davis and Julius Tennon's JuVee Productions and Verizon, premiering at Tribeca Film Festival in June 2022 (Tribeca X Finalist). Recent acting credits include guest star roles on NCIS, Girls5eva, and leading roles in Bespoke Plays’ staged readings of Heretics by Ellie Pyle in New York, Analogue by Christine Boylan, Lady Face and Systems by Madi Goff in Los Angeles. Mary stars opposite Madi Goff in the short film Every Morning, a queer sci-fi love story, also written by Goff (Indie Short Fest WINNER Best Acting Duo, Best Original Score, Outstanding Achievement LGBTQ Short, LA Independent Women Film Awards WINNER Best Composer, and Official Hollywood Shorts Fest Selection). Chieffo served as executive and creative producer on the film in partnership with Dr. Erin Macdonald’s LGTBQ+ owned Spacetime Productions.