Wallace MacDonald. Wallace MacDonald was 35 in Red Signals as 'Lee Bryson'.
Eva Novak. Eva Novak was 29 in Red Signals as 'Mark Bryson'.
Earle Williams. Earle Williams was 47 in Red Signals as 'Mary Callahan'.
J.P. McGowan. J.P. McGowan was 47 in Red Signals as 'Jim Twyler'.
Sylvia Ashton. Sylvia Ashton was 47 in Red Signals as 'Opal Summers'.
William F. Moran. William F. Moran was 38 in Red Signals as 'Lafe Reeves (as William Moran)'.
Robert McKenzie. Robert McKenzie was 46 in Red Signals as 'Tim Callahan'.
Billy Franey. Billy Franey was 37 in Red Signals as 'One-Round Hogan'.
Frank Rice. Frank Rice was 34 in Red Signals as 'The Professor'.J.P. McGowan. J.P. McGowan was 47 in Red Signals as 'Director'William Wallace Cook. William Wallace Cook was 59 in Red Signals as 'Story'