Alan Cumming, Martha MacIsaac, Emma Stone, and Natalie Morales in Battle of the Sexes (2017)

Martha MacIsaac, Emma Stone, Natalie Morales, Mickey Sumner, and Bridey Elliott in Battle of the Sexes (2017)

Martha MacIsaac, Sarah Silverman, Emma Stone, Natalie Morales, Mickey Sumner, and Bridey Elliott in Battle of the Sexes (2017)

Alan Cumming, Wallace Langham, Martha MacIsaac, Sarah Silverman, Emma Stone, Natalie Morales, and Bridey Elliott in Battle of the Sexes (2017)

Martha MacIsaac, Sarah Silverman, and Mickey Sumner in Battle of the Sexes (2017)

Martha MacIsaac, Sarah Silverman, and Natalie Morales in Battle of the Sexes (2017)

Bill Pullman and Martha MacIsaac in 1600 Penn (2012)

Bill Pullman, Jenna Elfman, Martha MacIsaac, Josh Gad, and Robbie Amell in 1600 Penn (2012)

Bill Pullman, Jenna Elfman, Martha MacIsaac, Josh Gad, André Holland, and Benjamin Stockham in 1600 Penn (2012)

Jenna Elfman, Martha MacIsaac, Josh Gad, Benjamin Stockham, and Amara Miller in 1600 Penn (2012)

Bill Pullman, Jenna Elfman, and Martha MacIsaac in 1600 Penn (2012)

Bill Pullman, Jenna Elfman, Martha MacIsaac, Josh Gad, André Holland, Benjamin Stockham, and Amara Miller in 1600 Penn (2012)

Alan Cumming, Wallace Langham, Martha MacIsaac, Sarah Silverman, Emma Stone, Andrea Riseborough, Natalie Morales, and Mickey Sumner in Battle of the Sexes (2017)

Angus Macfadyen, Martha MacIsaac, and Jacob Blair in The Pinkertons (2014)

Martha MacIsaac, Jordan Hayes, and Jodi Balfour in Almost Anything (2015)

Susan Clark and Martha MacIsaac in Emily of New Moon (1998)

Val Kilmer, Aaron Ashmore, and Martha MacIsaac

Christopher Lloyd, Martha MacIsaac, April Mullen, Devon Bostick, MJ Shaw, Dru Viergever, and Tim Doiron in Dead Before Dawn 3D (2012)

Christopher Lloyd, Brittany Allen, Martha MacIsaac, April Mullen, Kyle Schmid, Devon Bostick, Brandon Jay McLaren, and Tim Doiron in Dead Before Dawn 3D (2012)

Martha MacIsaac at an event for Pineapple Express (2008)